Stadium: Court 4 Round: 29 Ground: Hardcourt outdoor
| ITF M15 Allershausen | 2021/09/05 11:00 | Guy Den Ouden v Mick Veldheer | 6-0,6-4 |
| ITF M15 Allershausen | 2021/09/04 13:10 | Guy Den Ouden v Mats Rosenkranz | 6-4,4-6,6-4 |
| ITF M15 Allershausen | 2021/09/03 12:35 | Guy Den Ouden v Juan Ignacio Galarza | 7-5,6-3 |
| ITF M15 Allershausen | 2021/09/02 13:40 | Peter Heller v Guy Den Ouden | 6-7,3-6 |
| ITF M15 Allershausen | 2021/09/01 11:30 | Guy Den Ouden v Hazem Naw | 6-4,3-6,6-4 |
| ITF M15 Huy | 2021/08/29 13:00 | Gauthier Onclin v Guy Den Ouden | 6-4,5-7,1-6 |
| ITF M15 Huy | 2021/08/28 11:00 | Raphael Collignon v Guy Den Ouden | 3-6,4-6 |
| ITF M15 Huy | 2021/08/27 11:00 | Benjamin Dhoe v Guy Den Ouden | 2-6,2-6 |
| ITF M15 Monastir | 2021/09/07 08:00 | Li Tu v Gabriel Decamps | 7-6,6-2 |
| ITF M15 Monastir | 2021/09/06 09:30 | Tomohiro Masabayashi v Gabriel Decamps | 4-6,0-6 |
| ITF M15 Monastir | 2021/09/05 09:30 | Riccardo Di Nocera v Gabriel Decamps | 3-6,7-6,4-10 |
| ITF M15 Bad Waltersdorf | 2021/08/28 08:00 | Gabriel Decamps v Lukas Krainer | 2-6,3-6 |
| ITF M15 Bad Waltersdorf | 2021/08/27 08:00 | Alen Rogic-Hadzalic v Gabriel Decamps | 2-6,6-7 |
| ITF M15 Bad Waltersdorf | 2021/08/26 07:00 | Marko Topo v Gabriel Decamps | 4-6,5-7 |
| ITF M15 Bad Waltersdorf | 2021/08/25 11:00 | Gabriel Decamps v Peter Nagy | 6-2,6-2 |
| ITF M15 Bad Waltersdorf | 2021/08/23 13:00 | Gabriel Decamps v Lorenzo Rottoli | 6-4,7-6 |