 Czech Republic: W25 Frydek Mistek - Doubles - Main |
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| 1/8-finals | Bolton E./Fourlis J. | Sakellaridi S./Vojcinakova I. | 2:0 (6:3, 7:5) | details | 07.09.2021 |
 Austria: W25 Vienna - Doubles - Main |
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| Semi-finals | Sakellaridi S./Vojcinakova I. | Andreeva E./Kazionova E. | 1:2 (6:3, 1:6, 5:10) | details | 03.09.2021 |
| Quarter-finals | Sakellaridi S./Vojcinakova I. | Osborne A./Parnaby A. | 2:1 (6:3, 64:7, 10:4) | details | 02.09.2021 |
| 1/8-finals | Sakellaridi S./Vojcinakova I. | Rajkovic A./Riml E. | 2:0 (6:3, 7:6) | details | 31.08.2021 |
 Poland: W25 Radom - Doubles - Main |
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| 1/8-finals | Hindova D./Markova J. | Sakellaridi S./Vojcinakova I. | 2:0 (6:4, 6:2) | details | 10.08.2021 |
