{ "schemaVersion": 1, "edition": 2026, "lastReviewedDate": "2026-10-06", "setups": [ { "stringSetupId": "550e8400-e29b-41d4-a716-446655440001", "racquetRecordId": "a1000001-0001-0001-0001-000000000001", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Catalog snapshot: Racket Fit reports 25/24 kg. Tennisnerd (2026-08-25) reports approximately 25/23 kg; these are changeable reference settings, not a permanent specification. Babolat confirms RPM Team with the Pure Aero 98 family. Racquet weight is a reported pro unstrung snapshot; current retail specs do not establish his exact pro frame.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-09-07", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] }, { "publisher": "Babolat", "title": "Roland Garros 2025: Pure Aero 98 and RPM Team", "url": "https://www.babolat.com/us/news-articles-blog-alcaraz-victory-roland-garros-2025/alcaraz-victory-roland-garros-2025.html", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "crossStringBrand", "crossStringModel" ] }, { "publisher": "Tennisnerd", "title": "ATP Top 50 String Setups: alternative approximately 25/23 kg report", "url": "https://www.tennisnerd.net/gear/strings/atp-top-50-string-setups-what-are-the-pros-actually-using/68882", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440002", "racquetRecordId": "a1000001-0001-0001-0001-000000000002", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Current specialist reports describe HEAD Hawk Touch 1.30 throughout the stringbed at approximately 28 kg. Settings can change with string jobs, tournaments, balls, and conditions. HEAD lists Sinner as a Hawk Touch endorser but does not publish his personal gauge or reference tension. The full-bed classification follows Tennisnerd’s explicit report; Racket Fit corroborates the string, gauge, and tension.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-09-07", "supports": [ "playerName", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Jannik Sinner’s Racquet — updated May 4, 2026", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/jannik-sinners-racquet/23204", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg", "setupType", "mainConstruction", "crossConstruction" ] }, { "publisher": "HEAD", "title": "Hawk Touch: product and Sinner endorsement; not personal gauge or tension", "url": "https://www.head.com/product/hawk-touch-3", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel" ] }, { "publisher": "Tennisnerd", "title": "ATP Top 50 String Setups — August 25, 2026", "url": "https://www.tennisnerd.net/gear/strings/atp-top-50-string-setups-what-are-the-pros-actually-using/68882", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440004", "racquetRecordId": "a1000001-0001-0001-0001-000000000003", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440003", "racquetRecordId": "a1000001-0001-0001-0001-000000000004", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Catalog snapshot retained at 26.8/25.4 kg (about 59/56 lbs), supported by TennisCompanion, ProStrung and Baseline Lab. Racket Fit and Tennisnerd separately report 27–28/26–27 kg with condition-dependent adjustment. Natural gut mains / polyester crosses. Rough is better supported by current specialist reports; TennisCompanion and ProStrung omit Rough. No tournament mapping or averaged setting is established.", "citations": [ { "publisher": "TennisCompanion", "title": "Verifying Novak Djokovic’s Gear", "url": "https://tenniscompanion.org/players/gear/novak-djokovic/", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossGaugeMm", "crossTensionKg" ], "note": "Reports Touch VS 1.30 mains, ALU Power 1.25 crosses, 59/56 lbs (26.8/25.4 kg) and condition adjustment. Does not establish Rough. Identifies current PT 346.1 and previous PT 113B; current 95 sq in, 27.10 in, 353 g strung, 32.4 cm, 360 SW, 18x19." }, { "publisher": "Racket Fit", "title": "Pro player tennis setups", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-09-07", "supports": [ "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm" ], "note": "Natural gut 1.30, ALU Power Rough 16L crosses. Reports 27–28 / 26–27 kg, displayed 60/57 lbs, not the catalog numeric pair. Does not name the gut brand. PT113B-derived current mold: 95 sq in, 18x19, 353 g strung, 32.4 cm, 360 SW." }, { "publisher": "Tennisnerd", "title": "Novak Djokovic’s Racquet — updated July 7, 2026", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/novak-djokovics-tennis-racquet/2935", "accessedDate": "2026-09-07", "supports": [ "crossStringBrand", "crossStringModel", "crossGaugeMm" ], "note": "Natural gut mains at 27–28 kg, Rough 16L crosses at 26–27 kg depending on conditions; no exact catalog-pair support. PT113B until around 2018; current 95 sq in, 27.10 in, 353 g strung, 32.4 cm, 360 SW, 18x19. Does not name PT346.1 in its current-spec passage." }, { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossGaugeMm", "crossTensionKg" ], "note": "59/56 lb snapshot, VS Touch 1.30 and ALU Power 1.25; omits Rough. Updated December 30, 2025." }, { "publisher": "Baseline Lab", "title": "Novak Djokovic equipment profile", "url": "https://www.baselinelaboratory.com/players/novak-djokovic", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossTensionKg" ], "note": "Corroborates gut/Rough hybrid and 59/56 lbs only; gauge not stated. Its PT113b/Speed Pro label is not used to establish the current pro-stock code or geometry." }, { "publisher": "HEAD", "title": "Novak Djokovic athlete page", "url": "https://www.head.com/athletes/tennis/atp/novak-djokovic", "accessedDate": "2026-09-07", "supports": [], "note": "Official Speed Legend association and warning that pros may play different racquets from the model shown; no personal string, tension, internal code, weight or geometry verification." }, { "publisher": "Courtside Tennis", "title": "String product variant audit", "url": "https://courtsidetennis.com/products/luxilon-alu-power-rough-string-16g-1-30mm?variant=40693525577900", "accessedDate": "2026-09-07", "supports": [ "affiliateCrossURL" ], "note": "Public product variant 40693525577900 is labeled 17g/1.25mm despite the 1.30mm product slug. Retail gauge label differs from specialist 16L naming; metric gauge agrees." }, { "publisher": "Courtside Tennis", "title": "Babolat Touch VS Natural Gut string set", "url": "https://courtsidetennis.com/products/babolat-touch-vs-natural-gut-string-set", "accessedDate": "2026-09-07", "supports": [ "affiliateMainURL" ], "note": "Only selectable variant 40809232859308 is 16g/130mm / Natural; product specifications clarify 16g as 1.30mm." } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440005", "racquetRecordId": "a1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Refreshed 2026-10-03: Tecnifibre’s player page confirms Razor Soft and lists the T-FIGHT 305S, which replaced the “T-Fight 305” racquet label. It states no gauge or tension. Tension rechecked 2026-10-06: 22 kg is the figure Medvedev gave in an April 2023 Tennis Warehouse interview reported by Tennis.com (“22 kilos. Sometimes what I do is 21 main and 22 cross”), when he named Razor Soft 1.25. Later secondary reports differ: Tennisnerd’s Monte Carlo 2025 table lists Razor Soft 1.25 at 22.5/20.5, and its Halle 2026 report describes a full bed of Razor Soft at 21 kg (47 lbs). Racket Fit, cited here before, lists natural gut mains with Razor Soft crosses, so it no longer supports this row. The catalog records the mains only.", "citations": [ { "publisher": "Tecnifibre", "title": "Daniil Medvedev player page", "url": "https://www.tecnifibre.com/en/pages/players/daniil-medvedev", "accessedDate": "2026-10-03", "supports": [ "mainStringBrand", "mainStringModel", "racquetRecordId" ] }, { "publisher": "Tennis.com", "title": "WATCH: Daniil Medvedev lets loose on string habits with Tennis Warehouse (April 21, 2023)", "url": "https://www.tennis.com/news/articles/watch-daniil-medvedev-lets-loose-on-string-habits-with-tennis-warehouse", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Pro Player Strings from Monte Carlo (April 2025)", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/pro-player-strings-from-monte-carlo/46750", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm" ] }, { "publisher": "Tennisnerd", "title": "Pro Player String Tensions from Halle 2026", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-string-tensions-from-halle-2026/67211", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440006", "racquetRecordId": "a1000001-0001-0001-0001-000000000008", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440007", "racquetRecordId": "a1000001-0001-0001-0001-000000000007", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Refreshed 2026-10-03: Yonex’s athlete kit lists POLYTOUR SPIN 125 and POLYTOUR PRO 130 with the EZONE 100, so the cross gauge and racquet record follow the kit. The kit does not assign mains and crosses or state a tension. Tension rechecked 2026-10-06: Too Many Rackets still lists 54 lbs, and Dad Racket reports 54 lbs mains and crosses from the 2021 Erste Bank Open stringing log. Tennisnerd’s Monte Carlo 2025 table also puts POLYTOUR SPIN 1.25 in the mains and POLYTOUR PRO 1.30 in the crosses, but at 56/54 lbs, so his mains setting has varied by event. No 2026 stringing record was found.", "citations": [ { "publisher": "Yonex", "title": "Casper Ruud athlete kit", "url": "https://us.yonex.com/pages/athlete/casper-ruud", "accessedDate": "2026-10-03", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm", "racquetRecordId" ] }, { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "setupType", "mainTensionKg", "crossTensionKg" ] }, { "publisher": "Dad Racket", "title": "Casper Ruud’s Racquet Setup", "url": "https://www.dadracket.com/casper-ruuds-racquet-setup/", "accessedDate": "2026-10-06", "supports": [ "mainStringModel", "mainGaugeMm", "crossStringModel", "setupType", "mainTensionKg", "crossTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Pro Player Strings from Monte Carlo (April 2025)", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/pro-player-strings-from-monte-carlo/46750", "accessedDate": "2026-10-06", "supports": [ "mainStringModel", "mainGaugeMm", "crossStringModel", "crossGaugeMm", "setupType", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440051", "racquetRecordId": "w1000001-0001-0001-0001-000000000002", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440008", "racquetRecordId": "a1000001-0001-0001-0001-000000000011", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440009", "racquetRecordId": "a1000001-0001-0001-0001-000000000009", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440010", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440011", "racquetRecordId": "a1000001-0001-0001-0001-000000000010", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440012", "racquetRecordId": "a1000001-0001-0001-0001-000000000006", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "ATP Live Rankings (ranking); Babolat pro player equipment page (string model); DoItTennis pro bundle (53 lb tension, 16g gauge); Tennis Warehouse (16g=1.30mm product page)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440013", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tenniscompanion", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440014", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440015", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Refreshed 2026-10-03: Yonex’s athlete kit lists POLYTOUR REV 125 and POLYTOUR PRO 125, replacing an older report of POLYTOUR STRIKE 1.30 mains and POLYTOUR PRO 1.30 crosses. The kit does not assign mains and crosses; PRO stays in the crosses, where the older report placed it, and REV in the mains is unconfirmed. The older report’s tension belonged to the STRIKE setup and was removed rather than carried over. No switch date is established.", "citations": [ { "publisher": "Yonex", "title": "Ben Shelton athlete kit", "url": "https://us.yonex.com/pages/athlete/ben-shelton", "accessedDate": "2026-10-03", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm" ] }, { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440016", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Tournament stringing sheets list one string for him, so the catalog records the mains only; Too Many Rackets lists POLYTOUR PRO 1.25 in both directions. Tension rechecked 2026-10-06 and changed from 41.9 lbs (19 kg) to 44 lbs: Tennisnerd’s Halle 2026 sheets list POLYTOUR PRO at 44 lbs, its transcription of the Houston 2026 board lists 44, and Too Many Rackets lists 44–45 lbs. Tennisnerd’s August 2026 top-50 summary says “around 19 kg”, and its 2024–2025 sheets listed 42 lbs.", "citations": [ { "publisher": "Yonex", "title": "Frances Tiafoe athlete kit", "url": "https://us.yonex.com/pages/athlete/frances-tiafoe", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm" ] }, { "publisher": "Tennisnerd", "title": "Pro Player String Tensions from Halle 2026", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-string-tensions-from-halle-2026/67211", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "mainStringModel", "mainTensionKg" ] }, { "publisher": "Tennisnerd", "title": "String tensions from Houston ATP 2026", "url": "https://www.tennisnerd.net/gear/racquets/string-tensions-from-houston-atp-2026/64835", "accessedDate": "2026-10-06", "supports": [ "mainStringModel", "mainTensionKg" ] }, { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440017", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "ATP Tour (ranking) + Tennisnerd (citing Wilson) for string & tension", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440018", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440019", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440020", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "ATP Live Rankings (rank); SuperTennis (2022-09-17, Pier Paolo 'Jambo' Melis stringing details) corroborated by Prostrung (updated 2025-11-20)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440021", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "Babolat lists Félix Auger-Aliassime using RPM Rough (official player/string pages). Tension commonly reported at ~23 kg with 1.30mm gauge by pro-gear writeups; RPM Rough is noted as formerly called RPM Blast Rough.", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440022", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440023", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Tension rechecked 2026-10-06: Tennisnerd’s Monte Carlo 2025 stringing table lists RPM Blast 1.30 at 24/22 kg. Older or undated reports give about 22–23 kg (Tennisnerd in 2023, iq.tennis), and Babolat states no tension.", "citations": [ { "publisher": "Babolat", "title": "Arthur Fils player story", "url": "https://www.babolat.com/us/heroes-players-blog-arthur-fils/arthur-fils.html", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "crossStringBrand", "crossStringModel" ] }, { "publisher": "Tennisnerd", "title": "Pro Player Strings from Monte Carlo (April 2025)", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/pro-player-strings-from-monte-carlo/46750", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "setupType", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440024", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440025", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440050", "racquetRecordId": "w1000001-0001-0001-0001-000000000001", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Tecnifibre identifies Razor Code; ProStrung explicitly reports Razor Code 1.25 in both directions at 53/53 lbs, corroborated by Brad Stringing. The catalog preserves the reported 24 kg source value (52.9 lbs by conversion), not a permanent setting. Racket Fit currently reports ALU Power Soft 1.25 at 24 kg and T-Fight 300: unresolved disagreement, not support for Razor Code. IQ Tennis retains Tempo 298 and leaves tension unconfirmed. Racquet weight/head/pattern are retail context, not measured personal specifications.", "citations": [ { "publisher": "Tecnifibre", "title": "Current Iga Swiatek athlete equipment", "url": "https://www.tecnifibre.com/en-ue/pages/players/iga-swiatek", "accessedDate": "2026-09-12", "supports": [ "playerName", "mainStringBrand", "mainStringModel" ] }, { "publisher": "ProStrung", "title": "Reported Razor Code 1.25 mains and crosses, 53/53 lbs", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-09-12", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm", "setupType" ] }, { "publisher": "Baseline Laboratory", "title": "Razor Code 1.25 reported at 24 kg", "url": "https://www.baselinelaboratory.com/players/iga-swiatek", "accessedDate": "2026-09-12", "supports": [ "mainTensionKg" ] }, { "publisher": "SuperTennis", "title": "Historical May 2022 stringer-room snapshot: 24 kg both directions", "url": "https://www.supertennis.tv/Rubriche/Conosci-i-tuoi-campioni/La-racchetta-delle-n1-del-mondo-Leggera-e-facile-come-quella-di-un-amatore", "accessedDate": "2026-09-12", "supports": [ "mainTensionKg", "crossTensionKg" ] }, { "publisher": "Brad Stringing", "title": "Reported Razor Code 1.25 full polyester bed around 53 lbs", "url": "https://www.bradstringing.com/pro-setups", "accessedDate": "2026-09-12", "supports": [ "setupType", "mainConstruction", "crossConstruction" ] }, { "publisher": "Tecnifibre", "title": "Standard T-Fight 300S retail specification table", "url": "https://b2b.tecnifibre.com/en/p/14FI300S5.html", "accessedDate": "2026-09-12", "supports": [ "racquetRecordId" ] }, { "publisher": "Racket Fit", "title": "Conflicting current ALU Power Soft and T-Fight 300 report", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-09-12", "supports": [ "editorialNote" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440052", "racquetRecordId": "w1000001-0001-0001-0001-000000000003", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440053", "racquetRecordId": "w1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440054", "racquetRecordId": "w1000001-0001-0001-0001-000000000004", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string. Refreshed 2026-10-03: Yonex’s athlete kit confirms POLYTOUR FIRE 125 and lists the VCORE 100, which replaced the VCORE 98 racquet record. The kit states no tension. Tension rechecked 2026-10-06: Racket Fit lists 56 lbs, and Tennisnerd’s profile says “around 56 lbs”. A retailer’s player bundle lists 55 lbs. No player, coach or Yonex source states a tension.", "citations": [ { "publisher": "Yonex", "title": "Elena Rybakina athlete kit", "url": "https://us.yonex.com/pages/athlete/elena-rybakina", "accessedDate": "2026-10-03", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "racquetRecordId" ] }, { "publisher": "Racket Fit", "title": "Pro player tennis setups — racquets, strings, and tensions", "url": "https://www.racketfit.app/pros", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Elena Rybakina’s racquet – Player Profile (updated January 29, 2026)", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/elena-rybakinas-racquet/38099", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440055", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Tension rechecked 2026-10-06: Yonex’s athlete kit confirms POLYTOUR PRO 120 and states no tension. The 57/55 lbs split comes from a retailer’s player bundle listing (Do It Tennis), which cites no source. Tennisnerd reports “around 25-26 kgs” from unnamed stringers. No player, coach or Yonex source states a tension.", "citations": [ { "publisher": "Yonex", "title": "Jasmine Paolini athlete kit", "url": "https://us.yonex.com/pages/athlete/jasmine-paolini", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm" ] }, { "publisher": "Do It Tennis (retailer)", "title": "Jasmine Paolini Pro Player Tennis Bundle", "url": "https://doittennis.com/products/jasmine-paolini-pro-player-tennis-bundle", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "setupType", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Jasmine Paolini’s Racquet – Player Profile (updated September 3, 2025)", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/jasmine-paolinis-racquet-player-profile/44658", "accessedDate": "2026-10-06", "supports": [ "mainStringModel", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440056", "racquetRecordId": "w1000001-0001-0001-0001-000000000006", "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440057", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "official (Yonex: VCORE / POLYTOUR REV) + retailer spec for tension (POLYTOUR REV 1.25 @ 55 lbs)", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string. Tension rechecked 2026-10-06: Yonex’s athlete kit confirms POLYTOUR REV 125 and states no tension. The 55 lbs comes from a retailer’s player bundle listing (Do It Tennis), which cites no source; no player, coach or Yonex source states a tension.", "citations": [ { "publisher": "Yonex", "title": "Emma Navarro athlete kit", "url": "https://us.yonex.com/pages/athlete/emma-navarro", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm" ] }, { "publisher": "Do It Tennis (retailer)", "title": "Emma Navarro Pro Player Tennis Bundle", "url": "https://doittennis.com/products/emma-navarro-pro-player-tennis-gear-bundle", "accessedDate": "2026-10-06", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440058", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440059", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440060", "racquetRecordId": "w1000001-0001-0001-0001-000000000008", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440061", "racquetRecordId": "w1000001-0001-0001-0001-000000000010", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string. Refreshed 2026-10-03: Yonex’s athlete kit confirms POLYTOUR REV 125 and lists the EZONE 98, which replaced the older Wilson Blade 98 v9 racquet record. The kit states no tension. Tension rechecked 2026-10-06: the only figure found is 53 lbs in a retailer’s player bundle listing (Do It Tennis), which cites no source. No player, coach or Yonex source states a tension, so treat it as a retailer specification.", "citations": [ { "publisher": "Yonex", "title": "Madison Keys athlete kit", "url": "https://us.yonex.com/pages/athlete/madison-keys", "accessedDate": "2026-10-03", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "racquetRecordId" ] }, { "publisher": "Do It Tennis (retailer)", "title": "Madison Keys Pro Player Tennis Bundle", "url": "https://doittennis.com/products/madison-keys-pro-player-tennis-bundle", "accessedDate": "2026-10-06", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440062", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440063", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "manufacturer/retailer", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440064", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440065", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "Do It Tennis pro player bundle; IQ Tennis equipment database; WTA ranking", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440066", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "official", "catalogSource": "brand", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440067", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "gear-source", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. Cross-string tension was not publicly reported in the catalog snapshot.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440068", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "retailer/player-profile", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440069", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "retailer_pro_player_bundle", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440070", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "public gear report; tension from forum-sourced report", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440071", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour-stringing-log/social", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440072", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "tournament-stringing-room", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440073", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440074", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "official", "catalogSource": "brand", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. Main-string tension was not publicly reported in the catalog snapshot. Cross-string tension was not publicly reported in the catalog snapshot.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440075", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "polyester", "crossConstruction": "natural_gut", "evidenceClass": "reported", "catalogSource": "publishedGearDatabase", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ProStrung", "title": "What string tension do pros use?", "url": "https://prostrung.com/what-string-tension-do-pros-use/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440076", "racquetRecordId": null, "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "reported", "editorialNote": "Current best-supported public synthesis: Yonex POLYTOUR STRIKE. IQ Tennis (updated August 24, 2026), Tennisnerd and Tennis Express corroborate the model; 3tennis explicitly reports the same string in mains and crosses, with medium confidence. Full-bed direction is less strongly established than the model. Current gauge and both reference tensions are not reliably public. Earlier catalog snapshot (verified May 15, 2026): Luxilon ALU Power 1.25 mains / Luxilon 4G 1.25 crosses, tensions unknown. Tennis Warehouse still associates both Luxilon 1.25 products with Jovic but gives no direction or tension. USTA documents 2025–26 offseason string experimentation and a larger butt cap, without string identities or a switch date. Yonex officially associates VCORE 100 but lists no string in her athlete kit. Gauge not publicly established. No matched personal racquet record; retail 300 g is not personal mass. Sources may represent different periods or merchandising associations; no precise switch or performance cause is inferred.", "citations": [ { "publisher": "IQ Tennis", "title": "Iva Jovic Racquet & Strings 2026 — updated August 24, 2026", "url": "https://iq.tennis/players/iva-jovic", "accessedDate": "2026-09-12", "supports": [ "mainStringBrand", "mainStringModel", "mainConstruction", "mainTensionKg", "crossTensionKg" ] }, { "publisher": "3tennis", "title": "Pro Gear — equipment reverified September 11, 2026", "url": "https://3tennis.org/pro-gear/", "accessedDate": "2026-09-12", "supports": [ "mainStringModel", "crossStringBrand", "crossStringModel", "setupType", "crossConstruction", "mainTensionKg", "crossTensionKg" ] }, { "publisher": "Tennisnerd", "title": "Iva Jovic’s Racquet — Player Profile, August 15, 2025", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/iva-jovics-racquet-player-profile/58222", "accessedDate": "2026-09-12", "supports": [ "mainStringModel", "editorialNote" ] }, { "publisher": "Tennis Express", "title": "Iva Jovic player gear collection", "url": "https://tennisexpress.com/pages/tennis-player/iva-jovic", "accessedDate": "2026-09-12", "supports": [ "mainStringModel", "editorialNote" ] }, { "publisher": "Tennis Warehouse", "title": "Iva Jovic gear collection — alternative Luxilon association", "url": "https://www.tennis-warehouse.com/Iva_Jovic/catpage-IVAJOVIC.html", "accessedDate": "2026-09-12", "supports": [ "editorialNote" ] }, { "publisher": "USTA", "title": "Contender Iva Jovic — offseason experimentation and larger butt cap, January 18, 2026", "url": "https://www.usta.com/en/home/pro/pro-media---news/jovic-earns-grand-slam-seed-2026-australian-open.html", "accessedDate": "2026-09-12", "supports": [ "editorialNote" ] }, { "publisher": "Yonex", "title": "Iva Jovic athlete kit — racquet association only", "url": "https://us.yonex.com/pages/athlete/iva-jovic", "accessedDate": "2026-09-12", "supports": [ "editorialNote" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440077", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "reported", "catalogSource": "gear-report; medium confidence; tensions use midpoint of reported ranges", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440078", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "secondary", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "IQ Tennis", "title": "ATP and WTA professional equipment database", "url": "https://iq.tennis/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440079", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "reported", "catalogSource": "third_party_reported", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440100", "racquetRecordId": "l1000001-0001-0001-0001-000000000001", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "manufacturer/stringer", "editorialNote": "Historical RF97-era setup. Wilson Natural Gut 1.30 mains and Luxilon ALU Power Rough 1.25 crosses are well documented. The catalog retains a 26.5/25 kg historical snapshot, corroborated by Mouratoglou. Other late-career reports include 26/24.5 and 27/25.5 kg depending on conditions; no pair is permanent. Federer retired in 2022. Champion’s Choice contains both strings, but the retailer’s suggested orientation is opposite Federer’s gut mains / Rough crosses.", "citations": [ { "publisher": "Wilson Japan", "title": "Champion’s Choice Duo: Federer-associated strings and gauges", "url": "https://jp.wilson.com/products/tennis-strings-champions-choice-duo", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainGaugeMm", "crossStringBrand", "crossStringModel", "crossGaugeMm" ] }, { "publisher": "Mouratoglou", "title": "Historical Federer 26.5/25 kg reported snapshot", "url": "https://www.mouratoglou.com/en/conseils-coaching/coaching-corner/tennis-equipment/string-tension-for-professional-tennis-players/", "accessedDate": "2026-09-07", "supports": [ "mainTensionKg", "crossTensionKg" ] }, { "publisher": "TennisCompanion", "title": "Pro tensions: gut mains and Rough crosses; alternative 27/25.5 kg report", "url": "https://tenniscompanion.org/tennis-string-tension/", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "crossStringBrand", "crossStringModel" ] }, { "publisher": "Wilson", "title": "Federer RF97 era and retirement", "url": "https://www.wilson.com/en-us/blog/tennis/rf-and-wilson-the-story-behind-the-partnership", "accessedDate": "2026-09-07", "supports": [ "playerName", "tour" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440101", "racquetRecordId": "l1000001-0001-0001-0001-000000000002", "setupType": "full_bed", "mainConstruction": "polyester", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "public_verified", "editorialNote": "Historical RPM Blast-era setup. Babolat quotes Nadal at 25 kg reference tension normally and 25.5 kg at altitude. Manufacturer corroboration and specialist reporting support the standard 1.35 mm full polyester bed; TennisCompanion explicitly lists RPM Blast in both directions at 25/25 kg. Its gauge label is 15, while its player guide specifies 1.35 mm / 15L. A reported 1.30 mm change began at the 2022 Australian Open, but reporting does not establish that it permanently replaced 1.35 through retirement. Nadal retired in November 2024. The catalog retains the standard historical scalar snapshot.", "citations": [ { "publisher": "Babolat", "title": "Rafael Nadal: historical equipment and reference settings", "url": "https://www.babolat.com/gb/heroes-players-blog-rafael-nadal/rafael-nadal.html", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainTensionKg" ] }, { "publisher": "TennisCompanion", "title": "Pro tension table: RPM Blast mains and crosses at 25/25 kg", "url": "https://tenniscompanion.org/tennis-string-tension/", "accessedDate": "2026-09-07", "supports": [ "mainStringBrand", "mainStringModel", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossTensionKg", "setupType" ] }, { "publisher": "Babolat", "title": "Giovanni Mpetshi Perricard: Nadal also used 1.35", "url": "https://www.babolat.com/us/heroes-players-blog-giovanni-mpetshi/giovanni-mpetshi.html", "accessedDate": "2026-09-07", "supports": [ "mainGaugeMm", "crossGaugeMm" ] }, { "publisher": "TennisCompanion", "title": "Nadal gear: standard 1.35 mm and uncertain 2022 1.30 change", "url": "https://tenniscompanion.org/players/gear/rafael-nadal/", "accessedDate": "2026-09-07", "supports": [ "mainGaugeMm", "crossGaugeMm" ] }, { "publisher": "Tennisnerd", "title": "Rafa Nadal’s Racquet: historical match-frame snapshot", "url": "https://www.tennisnerd.net/gear/racquets/pro-player-racquets/rafa-nadals-racquet-player-profile/66028", "accessedDate": "2026-09-07", "supports": [ "racquetRecordId" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440102", "racquetRecordId": "l1000001-0001-0001-0001-000000000003", "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "official_brand_profile_and_published_tension_reference", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ESPN", "title": "Conventional ways for Serena — natural gut and Luxilon 4G hybrid", "url": "https://www.espn.co.uk/tennis/usopen12/story/_/id/8333931/us-open-conventional-serena", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440103", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "tour-stringing-room", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "ESPN", "title": "Conventional ways for Serena — Williams sisters' gut/4G setups", "url": "https://www.espn.co.uk/tennis/usopen12/story/_/id/8333931/us-open-conventional-serena", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440104", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "reported", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Too Many Rackets", "title": "Strings and tension used by professional tennis players", "url": "https://toomanyrackets.com/strings-and-tension-used-by-pro-tennis-players/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440105", "racquetRecordId": "l1000001-0001-0001-0001-000000000004", "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "ASAP Sports", "title": "Pete Sampras interview — 34 kg string tension", "url": "https://www.asapsports.com/show_interview.php?id=13246", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440106", "racquetRecordId": "l1000001-0001-0001-0001-000000000005", "setupType": "not_reported", "mainConstruction": "polyester", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "archival_tour", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "Tennisnerd", "title": "Andre Agassi's racquet and switch to Luxilon ALU Power", "url": "https://www.tennisnerd.net/gear/racquets/andre-agassis-racquet/20468", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440107", "racquetRecordId": null, "setupType": "hybrid", "mainConstruction": "natural_gut", "crossConstruction": "polyester", "evidenceClass": "historical", "catalogSource": "public_report", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Mijnracket", "title": "Professional string setups and standard tensions", "url": "https://mijnracket.nl/en/pages/snaren-bespannen", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440108", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. The public record does not distinguish a full bed from an unreported cross string.", "citations": [ { "publisher": "alt.tennis archive", "title": "Racquets of the pros — frame, string, gauge, and tension", "url": "https://groups.google.com/g/alt.tennis/c/DBqoBGdbZdU", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440109", "racquetRecordId": "l1000001-0001-0001-0001-000000000008", "setupType": "full_bed", "mainConstruction": "natural_gut", "crossConstruction": "natural_gut", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room.", "citations": [ { "publisher": "Tennis Warehouse Talk", "title": "John McEnroe's BDE natural gut tension", "url": "https://tt.tennis-warehouse.com/index.php?threads/john-mcenroes-tension.134670/", "accessedDate": "2026-07-16", "supports": [ "playerName", "tour", "mainStringBrand", "mainStringModel", "mainGaugeMm", "mainTensionKg", "crossStringBrand", "crossStringModel", "crossGaugeMm", "crossTensionKg" ] } ] }, { "stringSetupId": "550e8400-e29b-41d4-a716-446655440110", "racquetRecordId": null, "setupType": "not_reported", "mainConstruction": "natural_gut", "crossConstruction": "not_applicable", "evidenceClass": "historical", "catalogSource": "historical", "editorialNote": "Professional setups can change by tournament, weather, surface, and stringing room. 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