Stadium: Court 3 Round: 28 Ground: Hardcourt outdoor
| ITF M25 Pretoria MD | 2021/10/02 12:00 | Beale/Lock v Nijboer/Oberleitner | 4-6,6-4,10-7 |
| ITF M25 Pretoria MD | 2021/10/01 14:35 | Badenhorst/Koenig v Nijboer/Oberleitner | 3-6,6-1,7-10 |
| ITF M25 Pretoria MD | 2021/09/28 12:00 | Beckley/Hunter v Nijboer/Oberleitner | 6-3,3-6,8-10 |
| ITF M25 Johannesburg MD | 2021/09/22 13:05 | Malan/Scott v Nijboer/Oberleitner | 5-7,6-3,15-13 |
| ITF M25 Johannesburg MD | 2021/09/17 12:10 | Alves/Marcondes v Nijboer/Oberleitner | 7-6,6-7,10-6 |
| ITF M25 Johannesburg MD | 2021/09/16 13:30 | Niki/Vilardo v Nijboer/Oberleitner | 2-6,3-6 |
| ITF M25 Johannesburg MD | 2021/09/14 14:00 | Seelig/Sibanda v Nijboer/Oberleitner | 2-6,7-5,8-10 |
| ITF M15 Sharm El Sheikh MD | 2021/04/10 08:00 | Nijboer/Oberleitner v Ochi/Shimizu | 4-6,7-6,10-6 |
| ITF M15 Sharm El Sheikh MD | 2021/10/14 12:00 | Bocchi/Guerrieri v Habib/Vilardo | 6-4,1-6,10-4 |
| ITF M15 Sharm El Sheikh MD | 2021/10/12 11:10 | Fajta/Maggioli v Bocchi/Guerrieri | 6-4,1-6,3-10 |
| ITF M15 Bad Waltersdorf MD | 2021/09/03 12:05 | Bocchi/Guerrieri v Neumayer/Oberleitner | 3-6,3-6 |
| ITF M15 Bad Waltersdorf MD | 2021/09/02 13:40 | Golubev/Tiurnev v Bocchi/Guerrieri | 3-6,4-6 |
| ITF M15 St Petersburg MD | 2021/02/03 12:30 | Golubev/Tiurnev v Bocchi/Guerrieri | 1-6,6-3,10-5 |
| ITF M15 Vale Do Lobo MD | 2019/02/20 14:40 | Oosterbaan/Schmitz v Bocchi/Guerrieri | 6-3,6-4 |