Umag 
Bastad 
Gstaad 
Prague 
Athens 
Iasi 
Istanbul Enka Open 
Granby 
Tampere 
Davis Сup Group I Tennis. Played Struff Jan-Lennard. Season 2026
Country 
Germany. Ranking ATP 74.
Germany. Ranking ATP 74. ATP - Generali Open - Kitzbuhel | ||||
|---|---|---|---|---|
| 21.07.2026 | First round | Struff Jan-Lennard — Shevchenko Alexander | — — |
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 ATP - Wimbledon | ||||
| 07.07.2026 | Quarter-finals | Sinner Jannik — Struff Jan-Lennard | 3:0 (7:5, 7:6, 6:3) |
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| 05.07.2026 | 4th Round | Hurkacz Hubert — Struff Jan-Lennard | 2:3 (6:3, 7:6, 6:7, 5:7, 2:4) |
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| 03.07.2026 | Third round | Struff Jan-Lennard — Medvedev Daniil | 3:0 (7:6, 7:6, 7:5) |
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| 02.07.2026 | Second round | Nakashima Brandon — Struff Jan-Lennard | 2:3 (6:4, 6:7, 6:7, 7:6, 6:7) |
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| 29.06.2026 | First round | Struff Jan-Lennard — Baez Sebastian | 3:2 (6:1, 7:6, 4:6, 2:6, 7:5) |
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 ATP - Mallorca Championships | ||||
| 23.06.2026 | Second round | Struff Jan-Lennard — Borges Nuno | 0:2 (4:6, 5:7) |
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| 22.06.2026 | First round | Struff Jan-Lennard — Landaluce Martin | 2:1 (6:3, 1:6, 7:5) |
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| ATP - Mercedes Cup | ||||
| 10.06.2026 | Second round | Bublik Alexander — Struff Jan-Lennard | 2:1 (7:6, 3:6, 6:2) |
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| 09.06.2026 | First round | Struff Jan-Lennard — Galarneau Alexis | 2:1 (6:2, 6:7, 6:3) |
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 ATP - French Open | ||||
| 28.05.2026 | Second round | Struff Jan-Lennard — Faria Jaime | 0:3 (5:7, 6:7, 2:6) |
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| 26.05.2026 | First round | Bublik Alexander — Struff Jan-Lennard | 1:3 (5:7, 7:6, 4:6, 5:7) |
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| ATP - Masters Series Hamburg | ||||
| 18.05.2026 | First round | Mensik Jakub — Struff Jan-Lennard | 2:0 (7:6, 6:2) |
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| Valencia | ||||
| 12.05.2026 | First round | Struff Jan-Lennard — Alvarez Varona Nicolas | 1:2 (1:6, 7:5, 2:6) |
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 ATP - Internazionali BNL d'Italia - Rome | ||||
| 08.05.2026 | Second round | Lehecka Jiri — Struff Jan-Lennard | 2:0 (7:6, 6:3) |
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| 06.05.2026 | First round | Struff Jan-Lennard — Comesana Francisco | 2:0 (6:2, 6:4) |
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| ATP - Masters Series Madrid | ||||
| 24.04.2026 | Second round | Struff Jan-Lennard — Michelsen Alex | 0:2 (2:6, 1:6) |
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| 22.04.2026 | First round | Muller Alexandre — Struff Jan-Lennard | 0:2 (6:7, 0:6) |
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| ATP - BMW Open | ||||
| 13.04.2026 | First round | Struff Jan-Lennard — Cerundolo Francisco | — — |
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 ATP - Masters Series Monte-Carlo | ||||
| 04.04.2026 | Qualifications - 1st round | Struff Jan-Lennard — Basilashvili Nikoloz | 0:2 (3:6, 3:6) |
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 ATP - NASDAQ-100 | ||||
| 19.03.2026 | First round | Blanch Darwin — Struff Jan-Lennard | 2:1 (6:3, 3:6, 6:3) |
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| Phoenix | ||||
| 11.03.2026 | First round | Duckworth James — Struff Jan-Lennard | 2:1 (6:7, 6:4, 6:4) |
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| ATP - Pacific Life Open | ||||
| 04.03.2026 | First round | Bergs Zizou — Struff Jan-Lennard | 2:0 (6:3, 6:4) |
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 ATP - The Dubai Tennis Championships | ||||
| 24.02.2026 | First round | Struff Jan-Lennard — Bublik Alexander | 0:2 (3:6, 4:6) |
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| 22.02.2026 | Qialification final | Struff Jan-Lennard — Virtanen Otto | 1:2 (7:6, 4:6, 4:6) |
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 ATP - ABN/AMRO World Tennis Tournament | ||||
| 12.02.2026 | Second round | Struff Jan-Lennard — Bublik Alexander | 1:2 (6:7, 6:4, 3:6) |
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| 10.02.2026 | First round | Grenier Hugo — Struff Jan-Lennard | 0:2 (0:6, 4:6) |
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 ATP - Australian Open | ||||
| 20.01.2026 | First round | Kopriva Vit — Struff Jan-Lennard | 3:2 (4:6, 6:2, 2:6, 6:3, 6:1) |
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 ATP - Heineken Open | ||||
| 11.01.2026 | Qialification final | Nava Emilio — Struff Jan-Lennard | 2:1 (3:6, 6:4, 6:3) |
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 ATP - Hong Kong | ||||
| 06.01.2026 | First round | Struff Jan-Lennard — Van De Zandschulp Botic | 1:2 (3:6, 6:1, 1:6) |
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| 05.01.2026 | Qialification final | Struff Jan-Lennard — Basavareddy Nishesh | 2:0 (7:6, 6:2) |
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| 04.01.2026 | Qualifications - 1st round | Struff Jan-Lennard — Piros Zsombor | 2:0 (7:5, 7:6) |
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