| 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 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/10 07:00 | Petr Nesterov v Micov, Stefan | 6-7,7-5,0-6 |
| Burgas, Singles Qualifying M-ITF-BUL-05A | 2019/10/09 12:30 | Petr Nesterov v Micov, Stefan | 6-7,7-5,0-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 10:30 | Lazov, Alexander v Valentin Vanta | 7-6,2-6,4-6 |
| UTR Pro Tennis Series Beograd | 2021/07/08 14:15 | Giacomo Revelli v Lazov, Alexander | 4-6,6-1,5-2 |
| UTR Pro Tennis Series Beograd | 2021/07/07 07:30 | Milanovic, Dusan v Lazov, Alexander | 1-6,6-4,4-6 |
| UTR Pro Tennis Series Beograd | 2021/07/05 10:30 | Alex Kuperstein v Lazov, Alexander | 6-4,7-5 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/11 10:00 | Lazov, Alexander v de La Bassetiere, Constant | 5-7,1-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/10 13:30 | Lazov, Alexander v Aristotelis Thanos | 6-4,5-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 14:00 | Lescure, Mick v Lazov, Alexander | 6-3,3-6,6-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 10:00 | Gergely Madarasz v Lazov, Alexander | 6-4,7-5 |