Stadium: Court 16 Round: 27 Ground: Hardcourt indoor
| ITF M25 Plaisir | 2021/09/16 09:55 | Robin Bertrand v Alexander Donski | 3-6,3-6 |
| 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 M25 Plaisir | 2021/09/16 13:50 | Alexandre Reco v Jurgen Briand | 6-3,5-7,6-2 |
| ITF M25 Plaisir | 2021/09/15 11:00 | Alexandre Reco v Arthur Bouquier | 6-0,3-6,6-3 |
| ITF M25 Plaisir | 2021/09/13 15:35 | Alexandre Reco v Arslanbek Temirhanov | 6-2,4-6,10-8 |
| ITF M25 Plaisir | 2021/09/13 11:30 | Thibaud Maxant v Alexandre Reco | 3-6,1-6 |
| ITF M25 Plaisir | 2021/09/12 15:40 | Alexandre Reco v Charles Minc | 6-1,6-0 |
| ITF M25 Ajaccio | 2021/07/05 08:30 | Nicolas Tepmahc v Alexandre Reco | 6-3,6-2 |
| ITF M25 Ajaccio | 2021/07/04 07:00 | Alexandre Reco v Max Cunat | 6-3,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/06/13 07:00 | Yurii Dzhavakian v Alexandre Reco | 6-2,4-6,6-0 |