Stadium: Court 6 Round: 26 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/05/11 08:20 | Miguel Fernando Pereira v Alexander Donski | 4-6,3-6 |
| ITF M15 Monastir | 2021/05/08 08:30 | Lucas Catarina v Alexander Donski | 7-6,1-6,6-4 |
| ITF M15 Monastir | 2021/05/07 08:30 | Erik Crepaldi v Alexander Donski | 6-7,7-5,4-6 |
| ITF M15 Monastir | 2021/05/06 08:25 | Takashi Saito v Alexander Donski | 6-7,1-6 |
| ITF M15 Monastir | 2021/05/04 09:00 | Alexander Donski v Shintaro Imai | 7-5,6-4 |
| ITF M15 Monastir | 2021/04/28 08:25 | Alexander Donski v Jonathan Mridha | 5-7,7-6,6-7 |
| ITF M15 Monastir | 2021/04/22 08:30 | Omar Giacalone v Alexander Donski | 3-6,6-2,6-3 |
| ITF M15 Monastir | 2021/04/21 08:30 | Gilbert S K Junior v Alexander Donski | 4-6,6-4,3-6 |
| ITF M15 Monastir | 2021/05/11 09:55 | Ammar Elamin v Michail Pervolarakis | 0-6,2-6 |
| ITF M15 Monastir | 2021/04/14 09:30 | Michail Pervolarakis v Sean Hodkin | 6-4,6-4 |
| Challenger Cleveland | 2021/03/15 14:00 | Michail Pervolarakis v Aleksandar Kovacevic | 4-6,2-6 |
| Challenger Cleveland | 2021/03/14 16:00 | Michail Pervolarakis v Ryan Shane | 7-6,4-6,6-2 |
| ITF M15 Sharm El Sheikh | 2021/03/11 11:00 | Michail Pervolarakis v Mukund Sasikumar | 3-6,6-7 |
| ITF M15 Sharm El Sheikh | 2021/03/10 14:55 | Michail Pervolarakis v Roman Andres Burruchaga | 7-5,3-6,6-3 |
| ITF M15 Sharm El Sheikh | 2021/03/05 07:30 | Michail Pervolarakis v Edoardo Eremin | 6-7,4-6 |
| ITF M15 Sharm El Sheikh | 2021/03/04 07:30 | Michail Pervolarakis v Roman Andres Burruchaga | 6-7,6-4,6-3 |