Round: 1
| Bulgaria Liga Pro | 2021/09/06 17:00 | Aleksandr Gorbachyov v Konstantin Kromin | 6-7,2-6 |
| Bulgaria Liga Pro | 2021/09/06 17:00 | Aleksandr Gorbachyov v Konstantin Kromin | 6-7,2-6 |
| 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 | 2021/08/21 18:30 | Konstantin Kromin v Mihail Minchenkov | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/08/21 17:00 | Mihail Minchenkov v Konstantin Kromin | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/08/19 18:30 | Konstantin Kromin v Dmitriy Volkov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/19 17:00 | Dmitriy Volkov v Konstantin Kromin | 5-7,6-3,4-10 |
| Bulgaria Liga Pro | 2021/08/07 18:30 | Konstantin Kromin v Dmitriy Volkov | 6-7,7-6,7-10 |
| 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 | 2021/08/27 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 |