| UTR Pro Tennis Series Pazardzhik | 2021/04/10 10:30 | Mick Lescure v Yanaki Milev | 4-6,6-3,5-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/09 10:30 | Yanaki Milev v Plamen Milushev | 6-3,6-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/08 08:30 | Yanaki Milev v Ronan Joncour | 5-7,2-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/07 09:30 | Constant De La Bassetiere v Yanaki Milev | 6-4,6-7,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/04/06 08:30 | Gabriel Donev v Yanaki Milev | 6-2,5-1 |
| ITF M15 Sofia | 2021/07/08 09:00 | Nikita Mashtakov v Aleksandr Braynin | 6-4,6-2 |
| ITF M15 Sofia | 2021/07/07 07:00 | Denis Klok v Aleksandr Braynin | 4-6,3-6 |
| ITF M15 Sofia | 2021/07/05 08:00 | Aleksandr Braynin v Maxim Krapivin | 6-4,6-3 |
| ITF M15 Novomoskovsk | 2021/06/04 14:00 | Aleksandr Braynin v Alex M Pujolras | 1-6,6-3,3-6 |
| ITF M15 Novomoskovsk | 2021/06/03 11:20 | Aleksandr Braynin v Benjamin Dhoe | 6-4,5-7,10-3 |
| ITF M15 Novomoskovsk | 2021/05/31 06:15 | Aleksandr Braynin v Simon Sedliak | 7-6,6-1 |
| ITF M15 Novomoskovsk | 2021/05/26 07:40 | Matteo Arnaldi v Aleksandr Braynin | 6-1,6-3 |
| ITF M15 Novomoskovsk | 2021/05/25 06:15 | Martin Dimitrov v Aleksandr Braynin | 6-7,2-6 |