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Davis Сup Group I Tenis. Oynanan Ostapenkov Daniil. Sezon 2026
Ülke 
Beyaz Rusya. Sıralaması ATP 553.
Beyaz Rusya. Sıralaması ATP 553. Columbus Hard | ||||
|---|---|---|---|---|
| 01.10.2026 | İkinci hafta | Shelbayh Abedallah — Ostapenkov Daniil | 2:0 (6:1, 7:5) |
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| 29.09.2026 | İlk hafta | Perot Raphael — Ostapenkov Daniil | 1:2 (6:1, 3:6, 4:6) |
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| 28.09.2026 | Çeyrek - Final | Vandecasteele Quinn — Ostapenkov Daniil | 0:2 (2:6, 6:7) |
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| 21.09.2026 | Çeyrek - Final | Legout Timo — Ostapenkov Daniil | 2:0 (6:3, 6:1) |
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| 21.09.2026 | Elemeler - 1. Hafta | Ostapenkov Daniil — Vandecasteele Quinn | 2:1 (7:5, 4:6, 6:3) |
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| Tiburon | ||||
| 14.09.2026 | Çeyrek - Final | Legout Timo — Ostapenkov Daniil | 2:0 (6:3, 6:4) |
|
 Istanbul 2 | ||||
| 05.08.2026 | İkinci hafta | Bax Florent — Ostapenkov Daniil | 2:1 (6:7, 7:6, 6:1) |
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| 04.08.2026 | İlk hafta | Ostapenkov Daniil — Bittoun Kouzmine Constantin | 2:1 (3:6, 6:3, 7:6) |
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| 03.08.2026 | Çeyrek - Final | Matsuda Koki — Ostapenkov Daniil | 2:0 (7:6, 6:3) |
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