Stadium: Court 16 Round: 26 Ground: Hardcourt indoor
| ITF M25 Plaisir | 2021/09/14 09:50 | Nicolas Alvarez Varona v Robin Bertrand | 5-7,3-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/02 11:00 | Robin Bertrand v Millen Hurrion | 4-6,1-6 |
| ITF M25 Bagneres-De-Bigorre | 2021/09/01 12:25 | Robin Bertrand v Martin Breysach | 6-3,6-2 |
| ITF M15 Monastir | 2021/08/28 14:30 | Robin Bertrand v Li Tu | 2-6,6-7 |
| ITF M15 Monastir | 2021/08/27 09:30 | Felix Corwin v Robin Bertrand | 4-6,4-6 |
| ITF M15 Monastir | 2021/08/26 14:30 | Mehdi Sadaoui v Robin Bertrand | 4-6,2-6 |
| ITF M15 Monastir | 2021/08/25 07:30 | Robin Bertrand v Thomas Fancutt | 1-6,6-4,7-6 |
| ITF M15 Monastir | 2021/08/24 07:30 | Gabriele Bosio v Robin Bertrand | 3-6,4-6 |
| ITF M25 Plaisir | 2021/09/14 08:00 | Alexander Donski v Quentin Robert | 7-5,1-6,6-2 |
| ITF M25 Ricany | 2021/09/02 08:00 | Alexander Donski v Ryan Peniston | 2-6,4-6 |
| ITF M25 Ricany | 2021/09/01 07:55 | Daniel Paty v Alexander Donski | 3-6,3-6 |
| Challenger Prague | 2021/08/22 12:00 | Alexander Donski v Facundo Diaz Acosta | 6-4,2-6,5-7 |
| ITF M25 Marburg | 2021/07/08 10:35 | Louis Wessels v Alexander Donski | 6-4,6-7,6-4 |
| ITF M25 Marburg | 2021/07/06 16:40 | Alexander Donski v Jeremy Jahn | 6-2,6-2 |
| ITF M15 Monastir | 2021/06/23 08:30 | Alexander Donski v Omni Kumar | 1-6,3-6 |
| ITF M15 Monastir | 2021/06/17 11:40 | Alexander Donski v Luca Giacomini | 3-6,3-6 |