Netherlands: M15 Oldenzaal - Doubles - Main |
| Final | Schmitz C./Tsitsipas Pe. | Binding J./Whitehouse M. | 2:0 (7:64, 6:4) | details | 21.08.2021 |
| Semi-finals | Schmitz C./Tsitsipas Pe. | Bocchi L./Eisinga Z. | 2:0 (6:3, 6:4) | details | 21.08.2021 |
| Quarter-finals | Schmitz C./Tsitsipas Pe. | Broom C./Hussey G. | WO. | details | 20.08.2021 |
| 1/8-finals | Schmitz C./Tsitsipas Pe. | Stuurman R./Van Den Berg R. | 2:0 (6:2, 6:2) | details | 17.08.2021 |
Germany: Meerbusch - Doubles - Main |
| 1/8-finals | Gonzales R./Johnson H. | Schmitz C./Tsitsipas Pe. | 2:0 (7:62, 6:1) | details | 10.08.2021 |