| 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 | 2021/07/21 06:00 | Dmitriy Volkov v Sergey Berezhnov | 7-6,3-6,10-7 |
| Bulgaria Liga Pro | 2021/07/21 04:30 | Sergey Berezhnov v Dmitriy Volkov | 7-6,4-6,2-10 |
| Bulgaria Liga Pro | 2021/07/19 06:00 | Dmitriy Volkov v Sergey Berezhnov | 6-4,2-6,6-10 |
| Bulgaria Liga Pro | 2021/07/19 04:30 | Sergey Berezhnov v Dmitriy Volkov | 6-2,1-6,9-11 |
| 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 | 2021/08/25 06:00 | Aleksandr Gorbachyov v Dmitriy Volkov | 6-2,4-6,5-10 |
| Bulgaria Liga Pro | 2021/08/25 04:30 | Dmitriy Volkov v Aleksandr Gorbachyov | 6-1,4-6,10-8 |
| Bulgaria Liga Pro | 2021/08/23 18:30 | Dmitriy Volkov v Mihail Minchenkov | 6-2,3-6,10-7 |
| Bulgaria Liga Pro | 2021/08/23 17:00 | Mihail Minchenkov v Dmitriy Volkov | 7-6,2-6,10-7 |
| 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 | 2021/09/11 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 |