Select tournament type
| Final | Matsuoka H. | Ostapenkov D. | 1:1 CAN. (3:6, 6:4, 1:2) | details | 04.03.2026 | ||
| Semi-finals | Ostapenkov D. | Matsuda R. | 2:1 (6:1, 4:6, 6:3) | details | 02.03.2026 | ||
| 1/16-finals | Mikovic M. | Ostapenkov D. | 1:0 RET. (7:64, 0:0) | details | 25.02.2026 | ||
| 1/8-finals | Borg L. | Ostapenkov D. | 2:0 (6:4, 6:4) | details | 19.02.2026 | ||
| 1/16-finals | Ostapenkov D. | Castagnola L. | 2:0 (7:68, 6:1) | details | 18.02.2026 | ||
| Semi-finals | Albot R. | Ostapenkov D. | 2:1 (4:6, 6:2, 6:3) | details | 18.01.2026 | ||
| Semi-finals | Binda A. | Ostapenkov D. | 2:0 (6:4, 6:4) | details | 17.01.2026 | ||
| Quarter-finals | McKennon M. | Ostapenkov D. | 0:2 (4:6, 4:6) | details | 16.01.2026 | ||
| 1/8-finals | Ostapenkov D. | Bakshi A. | 2:0 (7:61, 6:4) | details | 15.01.2026 | ||
| 1/16-finals | Ostapenkov D. | Gerasimov E. | 2:0 (6:2, 6:4) | details | 14.01.2026 | ||
| Quarter-finals | Bakshi A. | Ostapenkov D. | 2:0 (7:66, 6:4) | details | 09.01.2026 | ||
| 1/8-finals | Eichenseher D. | Ostapenkov D. | 0:2 (3:6, 2:6) | details | 08.01.2026 | ||
| 1/16-finals | Parizzia N. | Ostapenkov D. | 0:1 RET. (2:6, 0:2) | details | 07.01.2026 | ||
| Final | Opitz J. | Ostapenkov D. | 2:0 (6:3, 6:3) | details | 17.11.2025 | ||
| Semi-finals | Barsukov N. | Ostapenkov D. | 0:2 (5:7, 4:6) | details | 16.11.2025 | ||
| 1/8-finals | Ostapenkov D. | Andaloro F. | 0:2 (5:7, 2:6) | details | 13.11.2025 | ||
| 1/16-finals | Hooper L. | Ostapenkov D. | 0:2 (2:6, 1:6) | details | 12.11.2025 | ||
| 1/16-finals | Ostapenkov D. | Malige M. | 0:2 (3:6, 1:6) | details | 05.11.2025 | ||
| 1/8-finals | Ostapenkov D. | Donnet E. | 0:2 (1:6, 2:6) | details | 16.10.2025 | ||
| 1/16-finals | Ostapenkov D. | Nortey I. | 2:1 (3:6, 6:4, 6:2) | details | 15.10.2025 | ||
| 1/8-finals | Loge J. | Ostapenkov D. | 2:1 (6:4, 4:6, 7:64) | details | 09.10.2025 | ||
| 1/16-finals | Tessa L. | Ostapenkov D. | 0:1 RET. (2:6, 2:4) | details | 08.10.2025 | ||
| 1/8-finals | Chopra K./Lopez Morillo I. | Betov S./Ostapenkov D. | CAN. | details | 04.03.2026 | ||
| 1/8-finals | Betov S./Ostapenkov D. | Becroft I./Shepp A. | 0:2 (3:6, 1:6) | details | 25.02.2026 | ||
| Quarter-finals | Betov S./Ostapenkov D. | Omarkhanov A./Sciahbasi M. | 0:2 (4:6, 1:6) | details | 19.02.2026 | ||
| 1/8-finals | Betov S./Ostapenkov D. | De Carvalho V./Rivet M. | 2:0 (6:4, 7:5) | details | 17.02.2026 | ||
| 1/8-finals | Westphal M./Winegar T. | Betov S./Ostapenkov D. | 2:0 (6:4, 6:2) | details | 21.01.2026 | ||
| Final | Betov S./Ostapenkov D. | Ozdemir S. M./Turker M. N. | 0:2 (65:7, 5:7) | details | 17.01.2026 | ||
| Semi-finals | Betov S./Ostapenkov D. | Copil M./Purtseladze S. | 2:0 (7:64, 6:3) | details | 16.01.2026 | ||
| Quarter-finals | Betov S./Ostapenkov D. | McDonald N./Zakaria F. | 2:0 (6:4, 6:2) | details | 15.01.2026 | ||
| 1/8-finals | Betov S./Ostapenkov D. | Gerasimov E./Kivattsev K. | 2:0 (7:64, 6:4) | details | 13.01.2026 | ||
| Final | Ozdemir S. M./Turker M. N. | Gerasimov E./Ostapenkov D. | 2:1 (3:6, 7:68, 10:4) | details | 10.01.2026 | ||
| Semi-finals | McKennon M./Rocha F. | Gerasimov E./Ostapenkov D. | 0:2 (4:6, 64:7) | details | 09.01.2026 | ||
| Quarter-finals | Bakshi A./Tkemaladze Z. | Gerasimov E./Ostapenkov D. | WO. | details | 08.01.2026 | ||
| 1/8-finals | Jiang F./Sun Z. | Gerasimov E./Ostapenkov D. | 1:2 (6:3, 4:6, 0:10) | details | 06.01.2026 | ||
| Final | Bassem Sobhy M./Zakaria F. | Betov S./Ostapenkov D. | 0:2 (4:6, 2:6) | details | 22.11.2025 | ||
| Semi-finals | Betov S./Ostapenkov D. | Simakin I./Verbin P. | 2:1 (6:2, 3:6, 11:9) | details | 21.11.2025 | ||
| Quarter-finals | Betov S./Ostapenkov D. | Basic M./Blanch D. | 2:0 (7:5, 7:5) | details | 20.11.2025 | ||
| 1/8-finals | Frydrych V./Robertson C. | Betov S./Ostapenkov D. | WO. | details | 19.11.2025 | ||
| Quarter-finals | Kalender A./Planinsek F. J. | Betov S./Ostapenkov D. | 2:0 (7:5, 7:5) | details | 13.11.2025 | ||
| 1/8-finals | Martin T./Massard L. | Betov S./Ostapenkov D. | 0:2 (2:6, 4:6) | details | 11.11.2025 | ||
| Quarter-finals | Kalender A./Verbin P. | Betov S./Ostapenkov D. | 2:0 (7:64, 7:5) | details | 06.11.2025 | ||
| 1/8-finals | Hamza Reguig S./Sahtali T. | Betov S./Ostapenkov D. | 1:2 (6:3, 3:6, 9:11) | details | 04.11.2025 | ||
| Final | Betov S./Ostapenkov D. | Maxted L./Thomson C. | 2:1 (7:66, 1:6, 13:11) | details | 18.10.2025 | ||
| Semi-finals | Donnet E./Pereira T. | Betov S./Ostapenkov D. | 0:2 (4:6, 1:6) | details | 17.10.2025 | ||
| Quarter-finals | Betov S./Ostapenkov D. | Knani O./Trifi A. | 2:0 (6:4, 7:64) | details | 16.10.2025 | ||
| 1/8-finals | Betov S./Ostapenkov D. | Hannestad B./Vanshelboim E. | 2:1 (64:7, 6:4, 10:4) | details | 15.10.2025 | ||
| Final | Betov S./Ostapenkov D. | Maxted L./Thomson C. | 0:2 (3:6, 0:6) | details | 11.10.2025 | ||
| Semi-finals | Bertrand R./Ouakaa A. | Betov S./Ostapenkov D. | 0:2 (65:7, 4:6) | details | 10.10.2025 | ||
| Quarter-finals | Betov S./Ostapenkov D. | Djonov C./Wygona J. | WO. | details | 10.10.2025 | ||