 Egypt: M15 Sharm El Sheikh 12 - Doubles - Main |
|---|
| Semi-finals | Nijboer R./Oberleitner N. | Bocchi L./Guerrieri A. | 1:2 (4:6, 6:1, 7:10) | details | 15.10.2021 |
| Quarter-finals | Nijboer R./Oberleitner N. | Lo Chien H./Yin B. S. | WO. | details | 14.10.2021 |
| 1/8-finals | Nijboer R./Oberleitner N. | Boborykin A./Nashatyrkin R. | 2:0 (6:1, 6:4) | details | 12.10.2021 |
 South Africa: M25 Pretoria - Doubles - Main |
|---|
| Final | Beale J./Lock B. | Nijboer R./Oberleitner N. | 2:1 (4:6, 6:4, 10:7) | details | 02.10.2021 |
| Semi-finals | Badenhorst D./Koenig L. | Nijboer R./Oberleitner N. | 1:2 (3:6, 6:1, 7:10) | details | 01.10.2021 |
| Quarter-finals | Cukierman D./Vilardo F. | Nijboer R./Oberleitner N. | WO. | details | 30.09.2021 |
| 1/8-finals | Beckley A./Hunter V. | Nijboer R./Oberleitner N. | 1:2 (6:3, 3:6, 8:10) | details | 28.09.2021 |
| South Africa: M25 Johannesburg / Ellispark - Doubles - Main |
|---|
| 1/8-finals | Malan P./Scott A. | Nijboer R./Oberleitner N. | 2:1 (5:7, 6:3, 15:13) | details | 22.09.2021 |
| South Africa: M25 Johannesburg / Markspark - Doubles - Main |
|---|
| Semi-finals | Alves M./Marcondes I. | Nijboer R./Oberleitner N. | 2:1 (7:63, 68:7, 10:6) | details | 17.09.2021 |
| Quarter-finals | Niki T./Vilardo F. | Nijboer R./Oberleitner N. | 0:2 (2:6, 3:6) | details | 16.09.2021 |
| 1/8-finals | Seelig K./Sibanda M. D. A. | Nijboer R./Oberleitner N. | 1:2 (2:6, 7:5, 8:10) | details | 14.09.2021 |
| Egypt: M15 Sharm El Sheikh 10 - Doubles - Main |
|---|
| Final | Nijboer R./Oberleitner N. | Ochi M./Shimizu Y. | 2:1 (4:6, 7:64, 10:6) | details | 10.04.2021 |
| Semi-finals | Nijboer R./Oberleitner N. | Paulson A./Uzhylovskyi V. | 2:0 (6:3, 6:1) | details | 09.04.2021 |
| Quarter-finals | Nijboer R./Oberleitner N. | Krainer L./Setkic A. | 2:0 (6:1, 6:3) | details | 08.04.2021 |
| 1/8-finals | Nijboer R./Oberleitner N. | Khotkov O./Nashatyrkin R. | 2:0 (6:4, 6:2) | details | 06.04.2021 |
| Egypt: M15 Sharm El Sheikh 9 - Doubles - Main |
|---|
| Final | Gutierrez O. J./Li H. | Nijboer R./Oberleitner N. | WO. | details | 03.04.2021 |
| Semi-finals | Niki T./Poljak D. | Nijboer R./Oberleitner N. | 0:2 (5:7, 5:7) | details | 02.04.2021 |
| Quarter-finals | Liu S-F./Ochi M. | Nijboer R./Oberleitner N. | 0:2 (3:6, 4:6) | details | 01.04.2021 |
| 1/8-finals | Deviatiarov M./Uzhylovskyi V. | Nijboer R./Oberleitner N. | 1:2 (6:2, 3:6, 8:10) | details | 30.03.2021 |
| Egypt: M15 Sharm El Sheikh 8 - Doubles - Main |
|---|
| Final | Deviatiarov M./Uzhylovskyi V. | Nijboer R./Oberleitner N. | 1:2 (0:6, 7:5, 6:10) | details | 27.03.2021 |
| Semi-finals | Liu S-F./Ochi M. | Nijboer R./Oberleitner N. | 0:2 (2:6, 4:6) | details | 26.03.2021 |
| Quarter-finals | Miceli M./Ricca G. | Nijboer R./Oberleitner N. | 0:2 (4:6, 4:6) | details | 25.03.2021 |
| 1/8-finals | Mikhaylyuk I./Voronin D. | Nijboer R./Oberleitner N. | 0:2 (1:6, 62:7) | details | 23.03.2021 |
