Estádio: COURT 6 Round: 27 Ground: Hardcourt outdoor
| ITF - M25 Joanesburgo - Duplas Masculinas | 2021/09/15 13:30 | Niki/Vilardo v Goldsteiner/Prechtel | 6-4,7-5 |
| ITF - M25 Joanesburgo - Duplas Masculinas | 2021/09/14 14:00 | Seelig/Sibanda v Nijboer/Oberleitner | 2-6,7-5,8-10 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/04/10 08:00 | Nijboer/Oberleitner v Ochi/Shimizu | 4-6,7-6,10-6 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/04/08 11:30 | Nijboer/Oberleitner v Krainer/Setkic | 6-1,6-3 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/04/02 11:45 | Niki/Poljak v Nijboer/Oberleitner | 5-7,5-7 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/04/01 12:30 | Liu/Ochi v Nijboer/Oberleitner | 3-6,4-6 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/03/30 12:55 | Deviatiarov/Uzhylovskyi v Nijboer/Oberleitner | 6-2,3-6,8-10 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/03/27 08:35 | Deviatiarov/Uzhylovskyi v Nijboer/Oberleitner | 0-6,7-5,6-10 |
| ITF - M15 Sharm El Sheikh - Duplas Masculinas | 2021/03/26 11:15 | Liu/Ochi v Nijboer/Oberleitner | 2-6,4-6 |