Round: 1
| 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 | 2021/09/18 05:30 | Sergey Berezhnov v Dmitriy Volkov | 6-7,6-2,10-7 |
| Bulgaria Liga Pro | 2021/09/18 04:00 | Dmitriy Volkov v Sergey Berezhnov | 2-6,6-7 |
| 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 | 2021/09/08 18:30 | Konstantin Kromin v Rodion Khodor | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/09/08 17:00 | Rodion Khodor v Konstantin Kromin | 0-6,5-7 |
| 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 | 2021/09/02 18:30 | Rodion Khodor v Konstantin Kromin | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/09/02 17:00 | Konstantin Kromin v Rodion Khodor | 1-6,6-3,6-10 |
| Bulgaria Liga Pro | 2021/08/05 18:30 | Konstantin Kromin v Rodion Khodor | 6-4,6-1 |
| Bulgaria Liga Pro | 2021/08/05 17:00 | Rodion Khodor v Konstantin Kromin | 6-7,3-6 |