Round: 1
| 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 | 2021/08/25 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 | 2021/08/02 18:30 | Yury Zhupan v Aleksandr Gorbachyov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/08/02 17:00 | Aleksandr Gorbachyov v Yury Zhupan | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/07/31 18:30 | Sherali Satvaldyev v Aleksandr Gorbachyov | 1-6,2-6 |
| Bulgaria Liga Pro | 2021/07/31 17:00 | Aleksandr Gorbachyov v Sherali Satvaldyev | 6-4,6-2 |
| 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 |
| Bulgaria Liga Pro | 2021/08/01 18:30 | Rodion Khodor v Dmitriy Volkov | 7-6,3-6,10-5 |
| Bulgaria Liga Pro | 2021/08/01 17:00 | Dmitriy Volkov v Rodion Khodor | 7-5,7-5 |