| UTR Pro Tennis Series Pazardzhik | 2021/07/14 09:00 | Petr Nesterov v Dzhavakian, Yurii | 7-6,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 07:30 | Petr Nesterov v Lazov, Alexander | 6-4,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 10:30 | Petr Nesterov v Arthus De La Bassetiere | 6-3,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 12:30 | Petr Nesterov v Ilya Snitari | 2-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 10:00 | Petr Nesterov v Faivre, Pierre | 2-6,7-6,4-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/07 13:45 | Laurent, Thomas v Petr Nesterov | 6-1,3-6,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 11:30 | Aristotelis Thanos v Petr Nesterov | 7-5,6-3 |
| ITF - M15 Antalya | 2021/01/30 08:15 | Petr Nesterov v Raul Brancaccio | 3-6,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/14 09:00 | Arthus De La Bassetiere v Valentin Vanta | 3-6,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 10:30 | Lazov, Alexander v Valentin Vanta | 7-6,2-6,4-6 |
| ITF M15 Sofia | 2021/07/04 06:30 | Matteo De Vincentis v Valentin Vanta | 6-4,6-0 |
| ITF M25 Belgrade | 2021/06/27 09:00 | Valentin Vanta v Aleksa Mardjonovic | 5-7,3-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/06 06:00 | Yanais Laurent v Valentin Vanta | 2-6,1-5 |
| UTR Pro Tennis Series Bucharest | 2021/06/05 10:00 | Ioan Alexandru Chirita v Valentin Vanta | 2-6,6-3,4-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/04 11:30 | Sinius, Warren v Valentin Vanta | 0-6,2-6 |
| UTR Pro Tennis Series Bucharest | 2021/06/03 12:00 | Vlad Andrei Dancu v Valentin Vanta | 7-5,6-3 |