Estádio: Yonex Court Round: 27 Ground: Clay
| Challenger Meerbusch - Duplas Masculinas | 2021/08/11 15:30 | Ajdukovic/Fatic v Merino/Mochizuki | 6-4,6-1 |
| Challenger - Iasi - Duplas Masculinas | 2021/07/15 14:05 | Luz/M R Alves v Ajdukovic/Fatic | 6-2,6-4 |
| Challenger - Iasi - Duplas Masculinas | 2021/07/14 08:00 | Coman/Dancu v Ajdukovic/Fatic | 1-6,6-7 |
| Challenger - Forlì - Duplas Masculinas | 2021/06/15 15:50 | Ajdukovic/Fatic v Fanselow/Gerch | 1-6,6-3,2-10 |
| Challenger Meerbusch - Duplas Masculinas | 2021/08/11 09:30 | De Jong/Stevens v Begemann/Olivetti | 6-4,7-5 |
| Challenger - Amersfoort - Duplas Masculinas | 2021/07/13 12:50 | De Jong/Stevens v De Jonge/Ouden | 4-6,6-7 |
| ITF - M25 Haia - Duplas Masculinas | 2021/07/03 12:55 | De Jong/Stevens v Brouwer/Sels | 6-3,6-4 |
| ITF - M25 Haia - Duplas Masculinas | 2021/07/02 15:50 | De Jong/Stevens v Nijboer/Veldheer | 7-6,6-2 |
| ITF - M25 Haia - Duplas Masculinas | 2021/07/01 15:15 | De Jong/Stevens v Barranco Cosano/Lopez Montagud | 6-4,7-6 |
| ITF - M25 Haia - Duplas Masculinas | 2021/06/29 11:05 | De Jong/Stevens v Wehnelt/Zahraj | 6-2,6-3 |
| ITF - M25 Klosters - Duplas Masculinas | 2020/09/17 13:05 | De Jong/Stevens v Oberleitner/Zahraj | 6-7,0-6 |
| ITF - M25 Sunderland - Duplas Masculinas | 2020/02/29 13:35 | De Jong/Stevens v Walkow/Zielinski | 4-6,4-6 |