| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Aristotelis Thanos v Ilya Snitari | 2-6,7-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/03 07:00 | Aristotelis Thanos v Ilya Snitari | 5-7,0-0 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 09:00 | Aristotelis Thanos v Iliyan Radulov | 4-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 07:30 | Dian Nedev v Aristotelis Thanos | 6-4,5-4 |
| ITF M15 Sofia | 2021/07/07 08:50 | Quentin Folliot v Aristotelis Thanos | 6-3,6-3 |
| ITF M15 Sofia | 2021/07/05 12:00 | Frinzi, Mattia v Aristotelis Thanos | 7-5,2-6,7-10 |
| ITF M15 Sofia | 2021/07/05 07:00 | Stefanos Sakellaridis v Aristotelis Thanos | 2-6,6-7 |
| ITF M15 Sofia | 2021/07/04 07:30 | Niv, Benjamin v Aristotelis Thanos | 0-6,4-6 |
| ITF - M15 Héraklion | 2021/06/10 07:30 | Musialek, Alexis v Aristotelis Thanos | 6-4,6-1 |
| ITF - M15 Héraklion | 2021/06/09 09:55 | Aristotelis Thanos v Kelsey Stevenson | 6-2,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 07:30 | Prodanov, Denislav v Ilya Snitari | 1-6,1-6 |
| ITF M15 Sofia | 2021/07/04 06:30 | Ilya Snitari v Tommaso Compagnucci | 6-7,6-2,7-10 |
| Coupe Davis | 2021/06/25 08:00 | GALVANI S. v Ilya Snitari | 2-6,1-6 |
| Coupe Davis | 2021/06/22 08:00 | Damien Gelabert v Ilya Snitari | 1-6,2-6 |
| ITF - M15 Bucarest | 2021/05/26 07:00 | Ignatik, Uladzimir v Ilya Snitari | 6-2,6-7,6-4 |
| UTR Pro Tennis Series Bucharest | 2021/05/22 12:30 | Ilya Snitari v Colin Sinclair | 6-4,6-7,6-7 |
| UTR Pro Tennis Series Bucharest | 2021/05/21 17:30 | Ilya Snitari v Manda, Calin | 3-6,6-2,6-3 |
| UTR Pro Tennis Series Bucharest | 2021/05/19 08:30 | Ilya Snitari v Apostol, Bogdan Ionut | 6-3,2-6,5-2 |