Jan-Lennard Struff - ATP #98 (2025-10-13)
| atpworldtour.com | ATP | Country |  Germany |
| Wikipedia | Eng / Fr | Birth | 1990-04-25 - age 35 |
| Career best ranking | 21 - 2023-06-19 - age 33 (+1 M) | Résidence |  Unknown |
| Height | - | ||
| Weight | - |
| Conditions | W | D | ratio |
|---|---|---|---|
| Hard (in.) | 6 | 7 | 46.15% |
| Hard (out.) | 4 | 9 | 30.77% |
| Clay | 4 | 8 | 33.33% |
| Grass | 7 | 5 | 58.33% |
| TOTAL | 21 | 29 | 42.00% |
| # | Date | Categ | Tournament | Conditions | Round | #Rank | Opponent | Score | |
|---|---|---|---|---|---|---|---|---|---|
| 1 | 2025-11-03 | 250 |  Hellenic Championship | Hard (in.) | 16e | #98 |  #43 Alexandre Muller | 6/3 2/6 7/6(6) | |
| 2 | 2025-10-13 | 250 |  Almaty Open | Hard (in.) | QF | #134 | #38 Corentin Moutet | 6/4 7/5 | |
| 3 | 2025-10-13 | 250 | Almaty Open | Hard (in.) | 8e | #134 |  #8 Karen Khachanov | 4/6 7/6(5) 6/3 | |
| 4 | 2025-10-13 | 250 | Almaty Open | Hard (in.) | 16e | #134 |  #94 Mackenzie McDonald | 2/6 6/3 6/4 | |
| 5 | 2025-08-25 | GS | US Open | Hard (out.) | 8e | #142 |  #6 Novak Djokovic | 6/3 6/3 6/2 | |
| 6 | 2025-08-25 | GS | US Open | Hard (out.) | 16e | #142 | #14 Frances Tiafoe | 6/4 6/3 7/6(7) | |
| 7 | 2025-08-25 | GS | US Open | Hard (out.) | 32e | #142 |  #9 Holger Rune | 7/6(5) 2/6 6/3 4/6 7/5 | |
| 8 | 2025-08-25 | GS | US Open | Hard (out.) | 64e | #142 | #95 Mackenzie McDonald | 3/6 7/6(4) 6/3 6/3 | |
| 9 | 2025-07-21 | 250 |  Kitzbuhel Open | Clay | QF | #144 | #118 Arthur Cazaux | 6/3 6/4 | |
| 10 | 2025-07-21 | 250 | Kitzbuhel Open | Clay | 8e | #144 |  #50 Pedro Martinez | 6/2 6/2 | |
| 11 | 2025-07-21 | 250 | Kitzbuhel Open | Clay | 16e | #144 | #159 Sebastian Ofner | 6/4 6/2 | |
| 12 | 2025-07-14 | 250 |  Open de Gstaad | Clay | 16e | #144 |  #112 Juan Manuel Cerundolo | 6/3 3/6 6/3 | |
| 13 | 2025-06-30 | GS |  Wimbledon | Grass | 16e | #124 | #2 Carlos Alcaraz | 6/1 3/6 6/3 6/4 | |
| 14 | 2025-06-30 | GS | Wimbledon | Grass | 32e | #124 |  #27 Felix Auger-Aliassime | 3/6 7/6(9) 6/3 6/4 | |
| 15 | 2025-06-30 | GS | Wimbledon | Grass | 64e | #124 | #110 Filip Misolic | 6/2 5/7 6/3 6/3 | |
| 16 | 2025-06-16 | 500 | Open de Halle | Grass | 16e | #103 |  #45 Lorenzo Sonego | 6/3 6/2 | |
| 17 | 2025-06-09 | 250 | Stuttgart Open | Grass | 8e | #87 |  #34 Jiri Lehecka | 6/4 7/5 | |
| 18 | 2025-06-09 | 250 | Stuttgart Open | Grass | 16e | #87 | #36 Matteo Arnaldi | 6/4 6/4 | |
| 19 | 2025-05-25 | GS | Roland Garros | Clay | 64e | #85 | #141 Sebastian Ofner | 7/6(5) 6/3 6/7(5) 6/2 | |
| 20 | 2025-05-19 | 500 | Hamburg European Open | Clay | 16e | #85 | #10000 Justin Engel | 7/6(4) 7/6(4) | |
| 21 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 32e | #78 | #19 Stefanos Tsitsipas | 3/6 6/4 6/3 | |
| 22 | 2025-04-21 | 1000 | Masters de Madrid | Clay | 64e | #78 |  #88 Botic Van de Zandschulp | 7/5 2/6 4/1 ret. | |
| 23 | 2025-04-14 | 500 | Munich Open | Clay | 16e | #49 | #23 Francisco Cerundolo | 6/0 6/2 | |
| 24 | 2025-04-07 | 1000 |  Monte-Carlo Masters | Clay | 32e | #48 | #259 Valentin Vacherot | 6/2 6/1 | |
| 25 | 2025-03-19 | 1000 | Miami Masters | Hard (out.) | 64e | #48 | #40 Alejandro Davidovich Fokina | 7/6(3) 6/3 | |
| 26 | 2025-03-03 | 1000 | Indian Wells Masters | Hard (out.) | 64e | #47 | #45 Gael Monfils | 6/4 6/4 | |
| 27 | 2025-02-24 | 500 |  Dubai Open | Hard (out.) | 16e | #43 | #6 Daniil Medvedev | 6/4 7/6(4) | |
| 28 | 2025-02-17 | 500 |  Doha Open | Hard (out.) | 16e | #46 | #48 Tallon Griekspoor | 7/6(5) 7/6(7) | |
| 29 | 2025-02-10 | 250 | Open 13 | Hard (in.) | QF | #44 | #7 Daniil Medvedev | 6/3 6/2 | |
| 30 | 2025-02-10 | 250 | Open 13 | Hard (in.) | 8e | #44 | #197 Hugo Grenier | 6/4 5/7 6/4 | |
| 31 | 2025-02-10 | 250 | Open 13 | Hard (in.) | 16e | #44 | #280 Manuel Guinard | 7/5 7/6(4) | |
| 32 | 2025-02-03 | 500 | Rotterdam Open | Hard (in.) | 16e | #44 |  #57 Fabian Marozsan | 6/3 4/6 7/6(3) | |
| 33 | 2025-01-12 | GS |  Australian Open | Hard (out.) | 64e | #43 | #29 Felix Auger-Aliassime | 6/3 6/0 4/6 6/1 | |
| 34 | 2025-01-06 | 250 |  Auckland Open | Hard (out.) | 8e | #43 | #55 Gael Monfils | 6/1 7/6(5) | |
| 35 | 2025-01-06 | 250 | Auckland Open | Hard (out.) | 16e | #43 |  #66 Bu Yunchaokete | 6/3 6/4 | |
| 36 | 2024-11-04 | 250 | Open de Moselle | Hard (in.) | 8e | #40 | #65 Corentin Moutet | 7/6(2) 5/7 6/3 | |
| 37 | 2024-11-04 | 250 | Open de Moselle | Hard (in.) | 16e | #40 | #62 Alexander Shevchenko | 3/6 6/4 6/4 | |
| 38 | 2024-10-28 | 1000 | Masters de Paris-Bercy | Hard (in.) | 16e | #40 | #19 Arthur Fils | 6/3 6/4 | |
| 39 | 2024-10-28 | 1000 | Masters de Paris-Bercy | Hard (in.) | 32e | #40 | #16 Lorenzo Musetti | 6/4 6/2 | |
| 40 | 2024-10-21 | 500 | Vienna Open | Hard (in.) | 16e | #40 | #10 Alex De Minaur | 2/6 6/2 6/2 | |
| 41 | 2024-08-26 | GS | US Open | Hard (out.) | 64e | #35 | #108 Laslo Djere | 6/7(7) 6/1 6/7(7) 6/4 6/2 | |
| 42 | 2024-08-12 | 1000 | Cincinnati Masters | Hard (out.) | 32e | #32 | #11 Stefanos Tsitsipas | 4/6 6/4 6/3 | |
| 43 | 2024-07-28 | OG | JO - Olympic Games | Clay | 16e | #34 | #64 Corentin Moutet | w/o | |
| 44 | 2024-07-28 | OG | JO - Olympic Games | Clay | 32e | #34 | #10000 Francisco Cabral | 6/2 6/2 | |
| 45 | 2024-07-01 | GS | Wimbledon | Grass | 16e | #42 | #5 Daniil Medvedev | 6/1 6/3 4/6 7/6(2) | |
| 46 | 2024-07-01 | GS | Wimbledon | Grass | 32e | #42 | #41 Zhizhen Zhang | 5/7 6/3 7/6(1) 7/6(8) | |
| 47 | 2024-07-01 | GS | Wimbledon | Grass | 64e | #42 | #44 Fabian Marozsan | 6/4 6/7(4) 6/2 6/3 | |
| 48 | 2024-06-17 | 500 | Open de Halle | Grass | QF | #43 | #1 Jannik Sinner | 6/2 6/7(1) 7/6(3) | |
| 49 | 2024-06-17 | 500 | Open de Halle | Grass | 8e | #43 | #11 Stefanos Tsitsipas | 6/4 6/4 | |
| 50 | 2024-06-17 | 500 | Open de Halle | Grass | 16e | #43 | #39 Luciano Darderi | 6/7(2) 7/5 7/6(10) |
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