United Kingdom: Wimbledon - Doubles - Main |
| 1/32-finals | Heisen V./Peschke K. | Fichman S./Olmos G. | 0:2 (2:6, 1:6) | details | 01.07.2021 |
Germany: Bad Homburg - Doubles - Main |
| Semi-finals | Heisen V./Peschke K. | Kichenok N./Olaru R. | 0:2 (4:6, 4:6) | details | 25.06.2021 |
| Quarter-finals | Dzalamidze N./Kania-Chodun P. | Heisen V./Peschke K. | 0:2 (2:6, 2:6) | details | 23.06.2021 |
| 1/8-finals | Anisimova A./Stephens S. | Heisen V./Peschke K. | WO. | details | 21.06.2021 |
Germany: Berlin - Doubles - Main |
| 1/8-finals | Melichar-Martinez N./Schuurs D. | Heisen V./Peschke K. | 2:0 (6:4, 6:2) | details | 15.06.2021 |
France: French Open - Doubles - Main |
| 1/16-finals | Heisen V./Peschke K. | Krejcikova B./Siniakova K. | 0:2 (4:6, 0:6) | details | 04.06.2021 |
| 1/32-finals | Heisen V./Peschke K. | Carter H./Sharma A. | 2:1 (6:3, 3:6, 7:5) | details | 02.06.2021 |
USA: W25 Orlando, FL - Doubles - Main |
| 1/8-finals | Heisen V./Peschke K. | Arseneault A./Hertel A. | 0:2 (3:6, 4:6) | details | 12.11.2020 |