Stadium: Court 6 Round: 25 Ground: Clay
| ITF M25 Alkmaar | 2021/06/21 16:00 | Kai Wehnelt v Deney Wassermann | 5-7,6-3,12-10 |
| ITF M25 Alkmaar | 2021/06/20 18:00 | Deney Wassermann v Niels Visker | 7-6,6-7,10-6 |
| ITF M15 Antalya | 2021/04/05 07:00 | Deney Wassermann v Sidane Pontjodikromo | 4-6,2-6 |
| ITF M15 Antalya | 2021/04/04 06:30 | Deney Wassermann v Egor Matvievici | 6-3,6-1 |
| ITF M15 Antalya | 2021/03/30 07:00 | Paul Woerner v Deney Wassermann | 6-1,6-4 |
| ITF M15 Antalya | 2021/03/29 07:00 | Mert Arabaci v Deney Wassermann | 1-6,1-6 |
| ITF M15 Antalya | 2021/03/28 06:30 | Deney Wassermann v Marlon Vankan | 6-1,6-4 |
| ITF M15 Antalya | 2021/03/26 07:00 | Deney Wassermann v Daniel Michalski | 4-6,6-2,3-6 |
| ITF M15 Sharm El Sheikh | 2020/11/19 10:10 | Guy Den Ouden v Miljan Zekic | 6-7,6-7 |
| ITF M15 Sharm El Sheikh | 2020/11/18 12:45 | Juan Bautista Otegui v Guy Den Ouden | 6-1,3-6,4-6 |
| ITF M15 Sharm El Sheikh | 2020/11/11 08:00 | Guy Den Ouden v Jeffrey Von Der Schulenburg | 2-6,5-7 |
| ITF M15 Sharm El Sheikh | 2020/11/04 08:00 | Guy Den Ouden v Sidharth Rawat | 5-7,6-7 |
| ITF M15 Alkmaar | 2020/08/24 08:00 | Robert Strombachs v Guy Den Ouden | 6-3,6-1 |
| ITF M15 Alkmaar | 2020/08/23 08:30 | Joris Hoogland v Guy Den Ouden | 1-6,4-6 |