 Egypt: M15 Sharm ElSheikh 2 - Doubles - Main |
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| 1/8-finals | Park U./Son J. H. | Hajek P./Horak O. | 2:0 (6:4, 6:3) | details | 22.02.2022 |
 Czech Republic: M15 Ostrava - Doubles - Main |
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| Semi-finals | Hajek P./Horak O. | Duda F./Pavlasek A. | 0:2 (3:6, 3:6) | details | 26.11.2021 |
| Quarter-finals | Hajek P./Horak O. | Mikula M./Wojcik Y. | 2:1 (2:6, 7:5, 10:5) | details | 25.11.2021 |
| 1/8-finals | Recek D./Vlkovsky V. | Hajek P./Horak O. | 0:2 (4:6, 3:6) | details | 23.11.2021 |
 Austria: M15 Warmbad-Villach - Doubles - Main |
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| Quarter-finals | Hajek P./Horak O. | Bachmaier P./Emesz B. | 1:2 (7:5, 2:6, 5:10) | details | 19.08.2021 |
| 1/8-finals | Hajek P./Horak O. | Sakellaridis M./Sakellaridis S. | 2:0 (7:5, 6:3) | details | 17.08.2021 |
