Stadium: Court 4 Round: 25 Ground: Hardcourt indoor
| 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 |
| ITF M15 Monastir | 2021/06/15 08:30 | Lucio Carnevalle v Alexander Donski | 2-6,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/11 13:40 | Quentin Robert v Kenny de Schepper | 6-1,5-7,2-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 10:00 | Quentin Robert v Max Andrews | 6-4,6-4 |
| ITF M25 Faro | 2021/03/02 14:40 | Quentin Robert v Michael Geerts | 1-6,4-6 |
| ITF M25 Vale Do Lobo | 2021/02/24 15:05 | Lucas Gerch v Quentin Robert | 6-2,2-6,6-2 |
| ITF M15 Grenoble | 2021/02/10 09:25 | Quentin Robert v Alexis Musialek | 6-4,3-6,2-6 |
| ITF M15 Bressuire | 2021/01/17 08:30 | Quentin Robert v Alafia Ayeni | 7-6,6-3 |
| ITF M15 Torello | 2020/12/13 10:30 | Arthur Cazaux v Quentin Robert | 4-6,7-6,6-2 |
| ITF M15 Torello | 2020/12/12 10:45 | Quentin Robert v Lamine Ouahab | 3-6,6-2,6-2 |