| Bulgaria Liga Pro | 2021/09/24 17:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 4-6,1-6 |
| Bulgaria Liga Pro | 2021/09/22 18:30 | Aleksandr Gorbachyov v Sergey Berezhnov | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/09/22 17:00 | Sergey Berezhnov v Aleksandr Gorbachyov | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/09/14 06:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 6-2,6-7,10-8 |
| 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 | 2021/10/24 15:30 | Dmitriy Volkov v Sergey Berezhnov | 4-6,6-4,9-11 |
| Bulgaria Liga Pro | 2021/10/24 14:00 | Sergey Berezhnov v Dmitriy Volkov | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/10/10 12:30 | Dmitriy Volkov v Sergey Berezhnov | 6-0,6-2 |
| Bulgaria Liga Pro | 2021/10/10 11:00 | Sergey Berezhnov v Dmitriy Volkov | 6-4,6-1 |
| Bulgaria Liga Pro | 2021/10/05 18:30 | Rodion Khodor v Sergey Berezhnov | 0-6,1-6 |
| Bulgaria Liga Pro | 2021/10/05 17:00 | Sergey Berezhnov v Rodion Khodor | 4-6,6-3,10-6 |
| Bulgaria Liga Pro | 2021/09/24 17:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 4-6,1-6 |
| Bulgaria Liga Pro | 2021/09/22 18:30 | Aleksandr Gorbachyov v Sergey Berezhnov | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/12/21 18:30 | Mikhail Gusev v Aleksandr Gorbachyov | 6-2,6-4 |
| Bulgaria Liga Pro | 2021/12/21 17:00 | Aleksandr Gorbachyov v Mikhail Gusev | 6-4,2-6,8-10 |
| Bulgaria Liga Pro | 2021/12/19 12:30 | Rodion Khodor v Aleksandr Gorbachyov | 5-7,1-6 |
| Bulgaria Liga Pro | 2021/12/19 11:00 | Aleksandr Gorbachyov v Rodion Khodor | 7-5,6-2 |
| Bulgaria Liga Pro | 2021/12/16 18:30 | Aleksandr Gorbachyov v Mikhail Gusev | 1-6,4-6 |
| Bulgaria Liga Pro | 2021/12/16 17:00 | Mikhail Gusev v Aleksandr Gorbachyov | 6-7,4-6 |
| Bulgaria Liga Pro | 2021/09/24 17:00 | Aleksandr Gorbachyov v Sergey Berezhnov | 4-6,1-6 |
| Bulgaria Liga Pro | 2021/09/22 18:30 | Aleksandr Gorbachyov v Sergey Berezhnov | 6-4,6-4 |