| 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 |
| Bulgaria Liga Pro | 2021/08/03 18:30 | Konstantin Kromin v Dmitriy Volkov | 1-6,0-6 |
| Bulgaria Liga Pro | 2021/08/03 17:00 | Dmitriy Volkov v Konstantin Kromin | 4-6,6-2,10-2 |
| Bulgaria Liga Pro | 2021/07/25 18:30 | Konstantin Kromin v Sergey Berezhnov | 2-6,1-6 |
| Bulgaria Liga Pro | 2021/07/25 17:00 | Sergey Berezhnov v Konstantin Kromin | 7-6,6-3 |
| Bulgaria Liga Pro | 2021/07/23 18:30 | Konstantin Kromin v Anton Kondrashov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/07/23 17:00 | Anton Kondrashov v Konstantin Kromin | 7-5,6-2 |
| Bulgaria Liga Pro | 2021/07/12 18:30 | Konstantin Kromin v Artem Simashev | 1-6,4-6 |
| Bulgaria Liga Pro | 2021/07/12 17:00 | Artem Simashev v Konstantin Kromin | 6-4,6-0 |