Stadium: Center Court Round: 54 Ground: Hardcourt indoor
| ITF M15 Forbach | 2021/09/28 13:00 | Max Hans Rehberg v Martin Breysach | 6-2,6-0 |
| ITF M15 Monastir | 2021/09/15 09:30 | Martin Breysach v Amaury Raynel | 2-6,3-6 |
| ITF M15 Monastir | 2021/09/08 08:00 | Martin Breysach v Jeremy Beale | 4-6,2-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/01 12:25 | Robin Bertrand v Martin Breysach | 6-3,6-2 |
| ITF M25 Bagneres-De-Bigorre | 2021/08/30 09:40 | Martin Breysach v Matt Ponchet | 6-0,6-1 |
| ITF M15 Castelo Branco | 2021/07/29 08:30 | Martin Breysach v Duarte Vale | 2-6,4-6 |
| ITF M15 Castelo Branco | 2021/07/27 12:10 | Naoki Tajima v Martin Breysach | 6-3,2-6,2-6 |
| ITF M25 Idanha-A-Nova | 2021/07/11 10:30 | Osgar O'Hoisin v Martin Breysach | 6-4,6-4 |
| ITF M25 Nevers | 2021/10/03 14:15 | Leo Doukhan v Julien De Cuyper | 6-4,6-4 |
| ITF M25 Plaisir | 2021/09/12 14:10 | Oscar Moraing v Leo Doukhan | 6-1,6-3 |