Next Gen ATP Finals 
Colina 
Kobe 
Montevideo 
Davis Сup Group I Tennis. Played Gengel Marek. Season 2025
Country 
Czech Republic. Ranking ATP 327.
Czech Republic. Ranking ATP 327. Sydney | ||||
|---|---|---|---|---|
| 20.11.2025 | Second round | Kubler Jason Murray — Gengel Marek | — — |
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| 18.11.2025 | First round | Jones Hayden — Gengel Marek | 1:2 (7:5, 4:6, 5:7) |
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| 12.11.2025 | Second round | Tomic Bernard — Gengel Marek | 2:1 (7:5, 3:6, 7:6) |
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 Taipei | ||||
| 04.11.2025 | First round | Gengel Marek — Shimizu Yuta | 0:2 (0:6, 6:7) |
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 Olbia | ||||
| 14.10.2025 | First round | Molcan Alex — Gengel Marek | 2:0 (6:2, 6:4) |
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 Fairfield | ||||
| 09.10.2025 | Second round | Gengel Marek — Winter Edward | 0:2 (4:6, 6:7) |
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| Tiburon | ||||
| 30.09.2025 | First round | Rosenkranz Mats — Gengel Marek | 2:0 (7:6, 6:2) |
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 St. Tropez | ||||
| 18.09.2025 | Second round | Landaluce Martin — Gengel Marek (Retired) | 1:0 (6:1, 4:0) |
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| 16.09.2025 | First round | Gombos Norbert — Gengel Marek | 1:2 (6:2, 3:6, 2:6) |
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| Rennes | ||||
| 08.09.2025 | First round | Bouquier Arthur — Gengel Marek | 2:1 (4:6, 6:3, 6:4) |
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 Istanbul | ||||
| 03.09.2025 | Second round | Mejia Nicolas — Gengel Marek | 2:1 (7:6, 3:6, 6:2) |
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| 02.09.2025 | First round | Gengel Marek — Hassan Benjamin | 2:1 (6:4, 3:6, 6:2) |
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 Manacor | ||||
| 27.08.2025 | First round | Coulibaly Eliakim — Gengel Marek | 2:1 (2:6, 7:6, 6:0) |
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 Hersonissos 4 | ||||
| 18.08.2025 | First round | Parker Stuart — Gengel Marek | 2:0 (6:1, 6:1) |
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| ATP - Legg Masson Tennis Classic | ||||
| 19.07.2025 | Qualifications - 1st round | Harris Billy — Gengel Marek | 2:0 (6:1, 7:5) |
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 Granby | ||||
| 17.07.2025 | Second round | Gengel Marek — Holmgren August | 0:2 (3:6, 4:6) |
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| 15.07.2025 | First round | Gengel Marek — Zhou Yi | 2:0 (6:2, 7:6) |
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| Winnipeg | ||||
| 09.07.2025 | First round | Bouzige Moerani — Gengel Marek | 2:0 (6:4, 7:5) |
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 ATP - Eastbourne | ||||
| 21.06.2025 | Qualifications - 1st round | Bellucci Mattia — Gengel Marek | 2:0 (7:5, 6:1) |
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 Bratislava $69K | ||||
| 11.06.2025 | First round | Gengel Marek — Mena Facundo | 0:2 (2:6, 2:6) |
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| Ostrava | ||||
| 28.04.2025 | First round | Gengel Marek — Albot Radu | — — |
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| Hersonissos 2 | ||||
| 12.03.2025 | Second round | Kirkin Ergi — Gengel Marek (Retired) | 1:0 (7:6, 5:2) |
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| 11.03.2025 | First round | Gengel Marek — Rosenkranz Mats | 2:1 (7:6, 6:7, 6:4) |
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 Bengalaru | ||||
| 26.02.2025 | Second round | Harris Billy — Gengel Marek | 2:0 (6:4, 6:3) |
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| Pune | ||||
| 18.02.2025 | First round | Geerts Michael — Gengel Marek | 2:1 (4:6, 6:1, 7:6) |
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| New Delhi | ||||
| 11.02.2025 | First round | Gengel Marek — Ilagan Andre | 0:2 (2:6, 2:6) |
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| Brisbane 1 | ||||
| 02.02.2025 | Final | Gengel Marek — Schoolkate Tristan | 0:2 (6:7, 6:7) |
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| 01.02.2025 | Semi-finals | Jasika Omar — Gengel Marek | 0:2 (6:7, 3:6) |
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| 31.01.2025 | Quarter-finals | Ellis Blake — Gengel Marek | 1:2 (4:6, 6:3, 5:7) |
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| 30.01.2025 | Second round | Gengel Marek — Shimizu Yuta | 2:1 (3:6, 6:4, 6:0) |
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| 28.01.2025 | First round | Gengel Marek — Nakagawa Naoki | 2:0 (6:4, 6:3) |
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 Nonthaburi 2 | ||||
| 07.01.2025 | First round | Moriya Hiroki — Gengel Marek (Retired) | 0:0 (5:1) |
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