| UTR Pro Tennis Series Bucharest | 2021/05/21 17:30 | Ilya Snitari v Calin Manda | 3-6,6-2,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 08:30 | Ilya Snitari v Bogdan Ionut Apostol | 6-3,2-6,5-2 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 08:30 | Ilya Snitari v Jules Marie | 6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 12:00 | Stefan Palosi v Ilya Snitari | 6-4,5-4 |
| ITF M15 Valldoreix | 2021/05/09 14:00 | Ilya Snitari v Benjamin Winter Lopez | 6-7,6-3,3-10 |
| UTR Pro Tennis Series Barcelona | 2021/05/02 10:00 | Ilya Snitari v Fermin Calvo Barcelo | 7-6,6-4 |
| UTR Pro Tennis Series Barcelona | 2021/05/01 11:00 | Ilya Snitari v Mick Lescure | 6-1,5-3 |
| UTR Pro Tennis Series Barcelona | 2021/04/30 08:00 | Zakhar Trapeznikov v Ilya Snitari | 6-4,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 07:00 | Colin Sinclair v Simon Beaupain | 6-3,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 10:00 | Colin Sinclair v Juan Ignacio Galarza | 4-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/05/18 10:00 | Colin Sinclair v Tomas Lipovsek Puches | 6-2,5-1 |
| UTR Pro Tennis Series Bucharest | 2021/05/17 12:30 | Nicholas David Ionel v Colin Sinclair | 6-7,4-5 |
| ITF M15 Antalya | 2021/05/10 07:00 | Colin Sinclair v Thomas Deschamps | 6-7,6-2,7-10 |
| ITF M15 Antalya | 2021/05/09 07:00 | Colin Sinclair v Farzin Danny Amiri | 6-3,6-2 |
| ITF M15 Antalya | 2021/05/07 09:40 | Colin Sinclair v Sandro Ehrat | 4-6,6-4,3-6 |
| ITF M15 Antalya | 2021/05/06 11:05 | Timofey Skatov v Colin Sinclair | 6-3,4-6,1-6 |