Round: 1
| Bulgaria Liga Pro | 2021/09/14 04:30 | Sergey Berezhnov v Aleksandr Gorbachyov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/08/27 06:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/08/27 04:30 | Sergey Berezhnov v Aleksandr Gorbachyov | 6-7,6-4,10-5 |
| Bulgaria Liga Pro | 2021/07/17 06:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 6-7,7-5,10-6 |
| Bulgaria Liga Pro | 2021/07/17 04:30 | Sergey Berezhnov v Aleksandr Gorbachyov | 7-5,6-0 |
| Bulgaria Liga Pro | 2021/09/14 04:30 | Sergey Berezhnov v Aleksandr Gorbachyov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/09/12 06:00 | Aleksandr Gorbachyov v Anton Kondrashov | 3-6,6-3,6-10 |
| Bulgaria Liga Pro | 2021/09/12 04:30 | Anton Kondrashov v Aleksandr Gorbachyov | 6-2,2-6,10-6 |
| Bulgaria Liga Pro | 2021/09/06 18:30 | Konstantin Kromin v Aleksandr Gorbachyov | 6-2,2-6,10-3 |
| Bulgaria Liga Pro | 2021/09/06 17:00 | Aleksandr Gorbachyov v Konstantin Kromin | 6-7,2-6 |
| Bulgaria Liga Pro | 2021/09/04 18:30 | Rodion Khodor v Aleksandr Gorbachyov | 6-3,6-7,10-7 |
| Bulgaria Liga Pro | 2021/09/04 17:00 | Aleksandr Gorbachyov v Rodion Khodor | 2-6,6-7 |
| Bulgaria Liga Pro | 2021/08/27 06:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/09/14 04:30 | Sergey Berezhnov v Aleksandr Gorbachyov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/09/11 05:30 | Sergey Berezhnov v Anton Kondrashov | 5-7,6-4,10-12 |
| Bulgaria Liga Pro | 2021/09/11 04:00 | Anton Kondrashov v Sergey Berezhnov | 6-2,3-6,10-3 |
| Bulgaria Liga Pro | 2021/08/31 06:00 | Sergey Berezhnov v Dmitriy Volkov | 6-3,6-3 |
| Bulgaria Liga Pro | 2021/08/31 04:30 | Dmitriy Volkov v Sergey Berezhnov | 7-6,1-6,10-6 |
| Bulgaria Liga Pro | 2021/08/29 06:00 | Dmitriy Volkov v Sergey Berezhnov | 6-3,4-6,9-11 |
| Bulgaria Liga Pro | 2021/08/29 04:30 | Sergey Berezhnov v Dmitriy Volkov | 0-6,6-7 |
| Bulgaria Liga Pro | 2021/08/27 06:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 2-6,3-6 |