stadio: Court 3 Round: 27 Ground: Clay
| ITF M15 Antalya | 2021/04/22 07:00 | Tiago Cacao v Oleksandr Ovcharenko | 7-6,1-6,0-6 |
| ITF M15 Antalya | 2021/04/21 08:20 | Gianmarco Ferrari v Oleksandr Ovcharenko | 3-6,2-6 |
| ITF M15 Antalya | 2021/04/20 12:00 | Dan Alexandru Tomescu v Oleksandr Ovcharenko | 6-3,4-6,6-10 |
| ITF M15 Antalya | 2021/04/19 09:00 | Federico Campana v Oleksandr Ovcharenko | 0-6,0-6 |
| ITF M15 Antalya | 2021/04/18 07:00 | Maxence Beauge v Oleksandr Ovcharenko | 3-6,2-6 |
| ITF M15 Antalya | 2021/04/11 07:00 | Oleksandr Ovcharenko v Mathys Erhard | 6-4,4-6,5-10 |
| ITF M15 Opatija | 2021/03/27 08:30 | Oleksandr Ovcharenko v Giovanni Fonio | 2-6,4-6 |
| ITF M15 Opatija | 2021/03/26 11:25 | Oleksandr Ovcharenko v Davide Galoppini | 6-7,6-1,6-4 |
| ITF M15 Antalya | 2021/04/22 08:20 | Emiliano Maggioli v Christopher Heyman | 5-7,4-6 |
| ITF M15 Antalya | 2021/04/20 08:30 | Koray Kirci v Christopher Heyman | 1-6,1-6 |
| ITF M25 Meerbusch | 2021/04/13 13:15 | Markus Eriksson v Christopher Heyman | 7-6,5-7,6-4 |
| Challenger Oeiras - Qual. | 2021/04/04 12:20 | Christopher Heyman v Pedro Cachin | 1-6,2-6 |
| Challenger Lilla | 2021/03/22 10:00 | Christopher Heyman v Jurgen Briand | 4-6,6-3,2-6 |
| Challenger Lilla | 2021/03/21 09:00 | Adrian Andreev v Christopher Heyman | 4-6,6-3,3-6 |
| ITF M25 Vale Do Lobo | 2021/03/11 10:30 | Louis Dussin v Christopher Heyman | 0-6,6-4,7-6 |
| ITF M25 Vale Do Lobo | 2021/03/10 11:25 | Tiago Cacao v Christopher Heyman | 3-6,2-6 |