Tennis. Played Kumstat Jan. Season 2026
Country
Czech Republic. Ranking ATP 186.
Czech Republic. Ranking ATP 186. Prague | ||||
|---|---|---|---|---|
| 22.08.2026 | Final | Tseng Chun Hsin — Kumstat Jan | 1:2 (7:5, 3:6, 0:6) |
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| 21.08.2026 | Semi-finals | Kumstat Jan — Jianu Filip Cristian | 2:0 (6:1, 6:4) |
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| 20.08.2026 | Quarter-finals | Mrva Maxim — Kumstat Jan | 0:2 (1:6, 5:7) |
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| 19.08.2026 | Second round | Kumstat Jan — Nagal Sumit | 2:0 (7:5, 6:3) |
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| 18.08.2026 | First round | Brunclik Petr — Kumstat Jan | 0:2 (5:7, 1:6) |
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Hamburg | ||||
| 16.08.2026 | Final | Kumstat Jan — Moeller Marvin | 2:1 (4:6, 7:6, 7:5) |
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| 15.08.2026 | Semi-finals | Pucinelli De Almeida Matheus — Kumstat Jan | 1:2 (4:6, 7:5, 2:6) |
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| 14.08.2026 | Quarter-finals | Taberner Carlos (Retired) — Kumstat Jan | 0:0 (5:7) |
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| 13.08.2026 | Second round | Kumstat Jan — Houkes Max | 2:0 (6:4, 7:6) |
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| 11.08.2026 | First round | Mackenzie Jamie — Kumstat Jan | 1:2 (7:6, 3:6, 3:6) |
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Liberec | ||||
| 02.08.2026 | Final | Kumstat Jan — Bueno Gonzalo | 2:0 (6:3, 6:1) |
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| 01.08.2026 | Semi-finals | Kumstat Jan — Nagal Sumit | 2:0 (7:5, 6:4) |
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| 31.07.2026 | Quarter-finals | Kumstat Jan — Ferreira Silva Frederico | 2:0 (6:4, 7:5) |
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| 29.07.2026 | Second round | Kumstat Jan — Seyboth Wild Thiago | 2:0 (6:4, 6:2) |
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| 27.07.2026 | First round | Kolar Zdenek — Kumstat Jan | 1:2 (2:6, 6:4, 3:6) |
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Bunschoten | ||||
| 18.07.2026 | Semi-finals | Gentzsch Tom — Kumstat Jan | 2:0 (7:5, 6:4) |
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US Open
Sao Paulo
Barranquilla
Guadalajara
Caldas da Rainha
Ljubljana
Valencia
Montreux
Antalya ATIK Open
Plovdiv 3
Zhangjiagang Challenger
Roehampton 2
Augsburg
Como
Kingston 2
Davis Сup Group I 
