Estadio: Court 2 Round: 28 Ground: Clay
| ITF M15 Huy | 2021/08/27 11:00 | Raphael Collignon v Arthur Fery | 6-3,6-3 |
| ITF M15 Huy | 2021/08/26 12:10 | Arnaud Bovy v Raphael Collignon | 3-6,5-7 |
| ITF M15 Huy | 2021/08/24 13:00 | Raphael Collignon v Colin Sinclair | 4-6,7-6,6-2 |
| ITF M25 Koksijde | 2021/08/19 10:30 | Raphael Collignon v Laurent Lokoli | 3-6,4-6 |
| ITF M25 Koksijde | 2021/08/17 08:00 | Raphael Collignon v Pedro Araujo | 6-3,6-2 |
| ITF M25 Frankfurt am Main | 2021/08/09 15:40 | Giovanni Oradini v Raphael Collignon | 6-1,6-4 |
| ITF M15 Esch-sur-Alzette | 2021/07/21 13:00 | Raphael Collignon v Tommaso Compagnucci | 1-6,4-6 |
| ITF M15 Esch-sur-Alzette | 2021/07/20 09:00 | Mats Rosenkranz v Raphael Collignon | 3-6,2-6 |
| ITF M15 Huy | 2021/08/27 11:00 | Benjamin Dhoe v Guy Den Ouden | 2-6,2-6 |
| ITF M15 Huy | 2021/08/26 11:45 | Guy Den Ouden v Mathieu Perchicot | 7-5,6-4 |
| ITF M15 Huy | 2021/08/24 09:30 | Guy Den Ouden v Alessandro Ingarao | 6-1,6-4 |
| ITF M15 Oldenzaal | 2021/08/19 11:00 | Guy Den Ouden v Lorenzo Bocchi | 3-6,0-6 |
| ITF M15 Oldenzaal | 2021/08/18 15:35 | Mattia Bellucci v Guy Den Ouden | 3-6,3-6 |
| ITF M15 Frederiksberg | 2021/08/03 10:55 | Guy Den Ouden v Sandro Kopp | 4-6,4-6 |
| ITF M15 Vejle | 2021/07/30 14:30 | Jonathan Mridha v Guy Den Ouden | 6-3,6-4 |
| ITF M15 Vejle | 2021/07/29 16:30 | Guy Den Ouden v Mick Veldheer | 6-4,6-0 |