| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:30 | Aleksandr Braynin v Dian Nedev | 6-3,6-2 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 06:00 | Gorazd Srbljak v Aleksandr Braynin | 6-4,3-6,6-3 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 09:00 | Vladimir Popov v Aleksandr Braynin | 4-6,5-7 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/14 07:30 | Vasil Kirkov v Aleksandr Braynin | 7-5,5-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 06:00 | Yanaki Milev v Aleksandr Braynin | 7-6,4-6,4-6 |
| 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 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/17 07:30 | Alexander Lazov v Yanais Laurent | 6-3,2-6,4-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/16 09:00 | Adriano Dzhenev v Yanais Laurent | 6-0,6-1 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/15 07:30 | Olexiy Kolisnyk v Yanais Laurent | 6-4,3-6,6-4 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/13 06:00 | Anthony Genov v Yanais Laurent | 0-6,3-6 |
| UTR Pro Tennis Series Pazardzhik | 2021/07/12 09:00 | Yanais Laurent v Dmitrii Vasilev | 2-6,6-2,6-3 |
| UTR Pro Tennis Series Beograd | 2021/07/11 07:00 | Yanais Laurent v Nikola Slavic | 3-6,4-5 |
| UTR Pro Tennis Series Beograd | 2021/07/09 12:00 | Yanais Laurent v Luka Pavlovic | 3-6,2-5 |
| UTR Pro Tennis Series Beograd | 2021/07/08 07:30 | Yanais Laurent v Bogdan Borza | 6-1,3-6,2-6 |