Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| 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 | 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/Alzette | 2021/07/21 13:00 | Raphael Collignon v Tommaso Compagnucci | 1-6,4-6 |
| Challenger Tulln | 2021/09/07 10:35 | Lukas Neumayer v Jiri Vesely | 5-7,6-7 |
| ITF M15 Bad Waltersdorf | 2021/09/03 10:00 | Omar Giacalone v Lukas Neumayer | 6-3,7-6 |
| ITF M15 Bad Waltersdorf | 2021/09/02 09:25 | Lukas Neumayer v Tom Kocevar-Desman | 7-5,6-2 |
| ITF M15 Bad Waltersdorf | 2021/09/01 09:45 | Alen Rogic-Hadzalic v Lukas Neumayer | 6-7,0-6 |
| ITF M15 Bad Waltersdorf | 2021/08/25 07:00 | Lukas Neumayer v Timo Stodder | 4-6,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/20 12:15 | Peter Heller v Lukas Neumayer | 6-2,3-6,6-3 |
| ITF M15 Warmbad-Villach | 2021/08/19 14:35 | Matic Spec v Lukas Neumayer | 2-6,3-6 |
| ITF M15 Warmbad-Villach | 2021/08/17 14:50 | Lukas Neumayer v Quentin Folliot | 7-5,6-1 |