Stadium: Court 3 Round: 54 Ground: Clay
| ITF - Esch/Alzette M15 | 2021/07/18 13:40 | Maksym Khalus v Deney Wassermann | 1-6,3-6 |
| Challenger Amersfoort | 2021/07/13 14:20 | Deney Wassermann v Kimmer Coppejans | 3-6,7-5,2-6 |
| Challenger Amersfoort | 2021/07/12 09:00 | Alvaro Lopez San Martin v Deney Wassermann | 4-6,4-6 |
| Challenger Amersfoort | 2021/07/11 11:40 | Deney Wassermann v Gauthier Onclin | 7-5,6-3 |
| ITF - Marburg M25 | 2021/07/05 14:10 | Deney Wassermann v Tim Handel | 6-7,6-7 |
| ITF - Haga M25 | 2021/06/27 08:00 | Deney Wassermann v Sidane Pontjodikromo | 4-6,3-6 |
| ITF - Alkmaar M25 | 2021/06/24 09:00 | Deney Wassermann v Marvin Moeller | 6-7,7-6,3-6 |
| ITF - Alkmaar M25 | 2021/06/23 10:35 | Deney Wassermann v Guy Den Ouden | 7-6,7-5 |