 Czech Republic: Prostejov - Doubles - Main |
|---|
| Semi-finals | Jebavy R./Kolar Z. | Arends S./Martinez L. D. | 2:1 (6:3, 2:6, 10:5) | details | 17.06.2021 |
| Quarter-finals | Kovalik J./Zelenay I. | Arends S./Martinez L. D. | 0:2 (64:7, 1:6) | details | 16.06.2021 |
| 1/8-finals | Poljak D./Pospisil J. | Arends S./Martinez L. D. | 0:2 (2:6, 4:6) | details | 15.06.2021 |
 Slovakia: Bratislava - Doubles - Main |
|---|
| Final | Molchanov D./Nedovyesov A. | Arends S./Martinez L. D. | 2:0 (7:65, 6:1) | details | 12.06.2021 |
| Semi-finals | Jaziri M./Rola B. | Arends S./Martinez L. D. | 0:2 (4:6, 1:6) | details | 11.06.2021 |
| Quarter-finals | Horansky F./Karol M. | Arends S./Martinez L. D. | 0:2 (2:6, 66:7) | details | 10.06.2021 |
| 1/8-finals | Mecir M./Novansky M. | Arends S./Martinez L. D. | 0:2 (2:6, 1:6) | details | 09.06.2021 |
 Serbia: Belgrade 2 - Doubles - Main |
|---|
| Quarter-finals | Arends S./Martinez L. D. | Erlich J./Vasilevski A. | 1:2 (3:6, 6:0, 6:10) | details | 25.05.2021 |
| 1/8-finals | Behar A./Escobar G. | Arends S./Martinez L. D. | 1:2 (7:5, 63:7, 4:10) | details | 24.05.2021 |
