Stadium: Court 1 Round: 62 Ground: Hardcourt outdoor
| ITF M25 - Setubal | 2021/10/04 10:00 | Arthur Cazaux v Eduardo Morais | 6-0,6-2 |
| Challenger Cassis | 2021/09/07 13:45 | Clement Chidekh v Arthur Cazaux | 6-4,6-4 |
| Challenger Cassis | 2021/09/06 10:00 | Ramkumar Ramanathan v Arthur Cazaux | 6-4,6-2 |
| Challenger Cassis | 2021/09/05 14:00 | Jurgen Briand v Arthur Cazaux | 4-6,7-6,5-7 |
| Challenger St. Tropez | 2021/09/01 14:00 | Arthur Cazaux v Alexandre Muller | 2-6,3-6 |
| Challenger St. Tropez | 2021/08/30 10:30 | Roman Safiullin v Arthur Cazaux | 7-6,6-7,1-6 |
| Challenger Prag | 2021/08/24 09:55 | Arthur Cazaux v Geoffrey Blancaneaux | 4-6,6-7 |
| ITF M25 - Bacau | 2021/08/22 07:50 | Yshai Oliel v Arthur Cazaux | 6-4,4-6,6-4 |
| ITF M25 - Setubal | 2021/10/04 10:00 | Aditya Katticaren v Alex Knaff | 0-6,0-6 |
| ITF M15 - Forbach | 2021/09/27 13:30 | Millen Hurrion v Alex Knaff | 6-3,6-7,10-3 |
| ITF M15 - Forbach | 2021/09/26 12:50 | Alex Knaff v Julien De Cuyper | 6-4,6-0 |
| ITF - M15 - Monastir | 2021/09/12 09:00 | Mattias Southcombe v Alex Knaff | 2-6,7-6,10-7 |
| ITF - M15 - Monastir | 2021/09/06 11:00 | Alex Knaff v Masamichi Imamura | 6-2,3-6,3-10 |
| ITF - M15 - Monastir | 2021/09/05 11:00 | Tom Dynka v Alex Knaff | 0-6,0-6 |
| ITF - M15 - Monastir | 2021/09/01 11:05 | Alex Knaff v Felix Corwin | 7-5,6-7,3-6 |
| ITF - M15 - Monastir | 2021/08/31 08:00 | Yuta Kawahashi v Alex Knaff | 7-5,4-6,7-10 |