Select tournament type
| 1/16-finals | Horak O. | Knitter K. | 1:2 (6:3, 5:7, 4:6) | details | 12.08.2025 | ||
| Quarter-finals | Oradini G. | Horak O. | 2:0 (7:5, 6:4) | details | 11.07.2025 | ||
| 1/8-finals | Horak O. | Barsukov N. | 2:0 (6:4, 6:4) | details | 10.07.2025 | ||
| 1/16-finals | Borrelli L. | Horak O. | 0:2 (3:6, 4:6) | details | 09.07.2025 | ||
| 1/16-finals | Horak O. | Milev Y. | 0:2 (1:6, 4:6) | details | 10.06.2025 | ||
| 1/8-finals | McCormick T. | Horak O. | 2:1 (5:7, 6:3, 6:3) | details | 14.11.2024 | ||
| 1/16-finals | Horak O. | Simonsson F. | 2:0 (6:4, 7:5) | details | 12.11.2024 | ||
| 1/16-finals | Horak O. | Ogura K. | 0:2 (4:6, 65:7) | details | 05.11.2024 | ||
| 1/16-finals | Horak O. | Hrazdil J. | 0:2 (3:6, 4:6) | details | 14.08.2024 | ||
| 1/8-finals | Horak O. | Dutra Da Silva D. | 0:2 (4:6, 1:6) | details | 18.07.2024 | ||
| 1/16-finals | Horak O. | Sorger S. | 2:1 (3:6, 6:4, 7:5) | details | 17.07.2024 | ||
| 1/16-finals | Horak O. | Winter E. | 0:2 (1:6, 65:7) | details | 10.07.2024 | ||
| 1/16-finals | Kamrowski M. | Horak O. | 2:0 (6:4, 6:2) | details | 15.11.2023 | ||
| 1/8-finals | Horak O. | Kuzuhara B. | 1:2 (6:3, 63:7, 61:7) | details | 11.11.2023 | ||
| 1/16-finals | Kamrowski M. | Horak O. | 0:2 (5:7, 0:6) | details | 09.11.2023 | ||
| 1/16-finals | Horak O. | Pieczkowski O. | 1:2 (6:3, 1:6, 0:6) | details | 16.08.2023 | ||
| 1/8-finals | Heller P. | Horak O. | 2:0 (6:1, 6:1) | details | 20.07.2023 | ||
| 1/16-finals | Ujvary M. | Horak O. | 0:2 (2:6, 4:6) | details | 19.07.2023 | ||
| 1/8-finals | Horak O./Pecak S. | Gimenez I./Tosetto R. | 0:2 (65:7, 3:6) | details | 12.08.2025 | ||
| Final | Ramskogler G./Wehnelt K. | Horak O./Pecak S. | 2:0 (7:5, 6:4) | details | 12.07.2025 | ||
| Semi-finals | Horak O./Pecak S. | Ihlenfeld N./Novak D. | 2:0 (6:4, 6:2) | details | 11.07.2025 | ||
| Quarter-finals | Aregger L./Waldner N. | Horak O./Pecak S. | 1:2 (4:6, 7:63, 5:10) | details | 10.07.2025 | ||
| 1/8-finals | Horak O./Pecak S. | Borrelli L./Oradini G. | 2:0 (7:5, 6:3) | details | 10.07.2025 | ||
| Quarter-finals | Orlov V./Romano F. | Horak O./Pecak S. | 2:0 (7:5, 7:5) | details | 12.06.2025 | ||
| 1/8-finals | Horak O./Pecak S. | Blazka D./Pereira J. | 2:0 (6:3, 6:3) | details | 10.06.2025 | ||
| Final | Bianchi J. J./Perez B. | Horak O./Raquin L. | 2:1 (2:6, 7:64, 10:8) | details | 16.11.2024 | ||
| Semi-finals | Horak O./Raquin L. | Barry C./Saraiva Dos Santos P. A. | WO. | details | 15.11.2024 | ||
| Quarter-finals | Scherer S./Suarez B. | Horak O./Raquin L. | 0:2 (2:6, 3:6) | details | 14.11.2024 | ||
| 1/8-finals | Horak O./Raquin L. | Torrealba B./Villalon N. | 2:0 (6:3, 7:5) | details | 13.11.2024 | ||
| Semi-finals | Hrazdil J./Vales V. | Horak O./Szymkowiak K. | 2:0 (6:2, 6:2) | details | 16.08.2024 | ||
| Quarter-finals | Horak O./Szymkowiak K. | Ostapenkov D./Zgirovsky A. | 2:0 (6:3, 6:4) | details | 15.08.2024 | ||
| 1/8-finals | Baranec D./Paulovcak S. | Horak O./Szymkowiak K. | 0:2 (3:6, 63:7) | details | 13.08.2024 | ||
| Quarter-finals | Horak O./Jermar J. | Halmos K./Kisantal B. | 1:2 (4:6, 6:2, 8:10) | details | 25.07.2024 | ||
| 1/8-finals | Puskar S./Rivera L. | Horak O./Jermar J. | 0:2 (1:6, 4:6) | details | 23.07.2024 | ||
| 1/8-finals | Horak O./Jermar J. | Duda F./Wehnelt K. | 0:2 (1:6, 1:6) | details | 16.07.2024 | ||
| Quarter-finals | Kajin K./Zmak D. | Al Azmeh T./Horak O. | 2:0 (6:3, 6:2) | details | 11.07.2024 | ||
| 1/8-finals | Al Azmeh T./Horak O. | Decamps G./Jakic M. | 2:0 (6:4, 6:3) | details | 10.07.2024 | ||
| Quarter-finals | Horak O./Kalina V. | Bakonyi D./Jilly A. | 0:2 (3:6, 62:7) | details | 20.06.2024 | ||
| 1/8-finals | Horak O./Kalina V. | Katuch J./Krajci M. | 2:0 (6:3, 6:3) | details | 18.06.2024 | ||
| 1/8-finals | Horak O./Kalina V. | Beloborodko I./Poritskyi A. | CAN. | details | 18.06.2024 | ||
| 1/8-finals | Horak O./Pecak S. | Bosio G./Matsuda K. | CAN. | details | 11.06.2024 | ||
| 1/8-finals | Horak O./Kamrowski M. | Asaba A./Nortey I. | 1:2 (6:3, 4:6, 7:10) | details | 14.11.2023 | ||
| Quarter-finals | Horak O./Kamrowski M. | Asaba A./Ogura K. | CAN. | details | 12.11.2023 | ||
| 1/8-finals | Gomez Osorio A./Vlahos A. | Horak O./Kamrowski M. | 0:2 (3:6, 1:6) | details | 12.11.2023 | ||
| Semi-finals | Barnat J./Duda F. | Horak O./Siniakov D. | 2:0 (7:5, 6:2) | details | 18.08.2023 | ||
| Quarter-finals | Horak O./Siniakov D. | Bielinskyi V./Westphal M. | 2:0 (7:5, 6:4) | details | 17.08.2023 | ||
| 1/8-finals | Horak O./Siniakov D. | Alosha Ushakov N./Mashtakov N. | 2:0 (6:3, 6:3) | details | 15.08.2023 | ||
| Quarter-finals | Heller P./Wehnelt K. | Horak O./Pecak S. | 2:1 (6:3, 4:6, 10:3) | details | 28.07.2023 | ||
| 1/8-finals | Horak O./Pecak S. | Barton H./Lusovsky M. | 2:1 (3:6, 6:3, 12:10) | details | 25.07.2023 | ||
| 1/8-finals | Karol M./Kopp S. | Horak O./Siniakov D. | 2:0 (6:3, 6:2) | details | 20.07.2023 | ||