| UTR Pro Tennis Series Pazardzhik | 2021/04/02 10:00 | Aristotelis Thanos v Lucas Bouquet | 7-5,1-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 10:00 | Aristotelis Thanos v Plamen Milushev | 7-5,5-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 11:30 | Aristotelis Thanos v Jules Marie | 6-1,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 12:00 | Anthony Genov v Aristotelis Thanos | 3-6,2-5 |
| ITF M15 Monastir | 2021/03/24 08:30 | Aristotelis Thanos v Renta Tokuda | 4-6,5-7 |
| ITF M15 Monastir | 2021/03/22 14:30 | Leon Hoeveler v Aristotelis Thanos | 1-6,1-6 |
| ITF M15 Monastir | 2021/03/22 10:00 | Jakub Kroslak v Aristotelis Thanos | 4-6,2-6 |
| ITF M15 Monastir | 2021/03/14 10:00 | Savva Polukhin v Aristotelis Thanos | 6-3,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/02 07:00 | Ilya Snitari v Simeon Terziev | 6-0,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/31 07:00 | Ilya Snitari v Gergely Madarasz | 2-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/30 08:30 | Ilya Snitari v Yurii Dzhavakian | 6-1,5-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/03/29 08:00 | Pierre Faivre v Ilya Snitari | 4-6,2-6 |
| ITF M25 La Nucia | 2021/03/14 14:00 | Ilya Snitari v Pablo Alemany | 4-6,6-4,8-10 |
| ITF M15 Antalya | 2021/02/07 06:00 | Ilya Snitari v Sergey Fomin | 7-6,1-6,8-10 |
| ITF M15 Antalya | 2021/01/31 09:45 | Timo Legout v Ilya Snitari | 6-1,6-4 |
| ITF M15 Antalya | 2021/01/29 07:00 | Yan Sabanin v Ilya Snitari | 3-6,2-6 |