Stadium: Court 13 Round: 14 Ground: Hardcourt outdoor
| ITF M15 Monastir | 2021/05/20 08:20 | Thomas Fancutt v Michail Pervolarakis | 6-4,7-5 |
| ITF M15 Monastir | 2021/05/19 08:25 | Yuta Kikuchi v Michail Pervolarakis | 4-6,6-7 |
| ITF M15 Monastir | 2021/05/13 08:30 | Alexander Donski v Michail Pervolarakis | 7-6,7-6 |
| 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 Troisdorf | 2021/05/15 13:25 | Elmar Ejupovic v Sebastian Fanselow | 7-6,6-4 |
| ITF M15 Troisdorf | 2021/05/14 16:10 | Louis Wessels v Sebastian Fanselow | 4-6,5-7 |
| ITF M15 Troisdorf | 2021/05/13 13:25 | Marvin Netuschil v Sebastian Fanselow | 2-6,1-6 |
| ITF M15 Troisdorf | 2021/05/11 11:00 | Maximilian Dietel v Sebastian Fanselow | 0-6,1-6 |
| ITF M15 Majadahonda | 2021/05/06 10:40 | Matteo Martineau v Sebastian Fanselow | 6-1,7-6 |
| ITF M15 Majadahonda | 2021/05/05 09:00 | Ignacio B Alia v Sebastian Fanselow | 2-6,0-6 |
| ITF M25 Angers | 2021/04/22 13:30 | Alvaro Lopez San Martin v Sebastian Fanselow | 2-6,6-1,6-4 |
| ITF M25 Angers | 2021/04/21 15:05 | Sebastian Fanselow v Nikolas Sanchez Izquierdo | 6-2,7-5 |