| Bulgaria Liga Pro | 2021/08/03 17:00 | Dmitriy Volkov v Konstantin Kromin | 4-6,6-2,10-2 |
| 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 |
| Bulgaria Liga Pro | 2021/07/10 18:30 | Konstantin Kromin v Aleksandr Repin | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/03 17:00 | Dmitriy Volkov v Konstantin Kromin | 4-6,6-2,10-2 |
| 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 | 2021/07/29 06:00 | Aleksandr Gorbachyov v Dmitriy Volkov | 7-6,4-6,14-12 |
| Bulgaria Liga Pro | 2021/07/29 04:30 | Dmitriy Volkov v Aleksandr Gorbachyov | 6-1,6-7,10-5 |
| Bulgaria Liga Pro | 2021/07/25 06:00 | Sherali Satvaldyev v Dmitriy Volkov | 0-6,2-6 |
| Bulgaria Liga Pro | 2021/07/25 04:30 | Dmitriy Volkov v Sherali Satvaldyev | 6-2,6-2 |
| Bulgaria Liga Pro | 2021/07/23 06:00 | Aleksandr Gorbachyov v Dmitriy Volkov | 3-6,7-5,18-20 |