France: Metz - Doubles - Main |
| Final | Hurkacz H./Zielinski J. | Nys H./Rinderknech A. | 2:0 (7:5, 6:3) | details | 26.09.2021 |
| Semi-finals | Nys H./Rinderknech A. | Brkic T./Cacic N. | 2:0 (6:3, 7:63) | details | 24.09.2021 |
| Quarter-finals | Sabanov I./Sabanov M. | Nys H./Rinderknech A. | 0:2 (3:6, 4:6) | details | 23.09.2021 |
| 1/8-finals | Nys H./Rinderknech A. | Saville L./Smith J. P. | 2:0 (6:3, 7:5) | details | 20.09.2021 |
France: Rennes - Doubles - Main |
| 1/8-finals | Stevens B./van Rijthoven T. | Nys H./Rinderknech A. | 2:1 (1:6, 7:5, 10:8) | details | 15.09.2021 |
USA: US Open - Doubles - Main |
| 1/16-finals | Nys H./Rinderknech A. | Bopanna R./Dodig I. | 1:2 (3:6, 6:4, 4:6) | details | 04.09.2021 |
| 1/32-finals | Kecmanovic M./Ruud C. | Nys H./Rinderknech A. | 0:1 RET. (2:6, 0:2) | details | 02.09.2021 |