Round: 1
| Bulgaria Liga Pro | 2021/09/17 18:30 | Mikhail Yastrebov v Artem Terekhov | 7-6,7-6 |
| Bulgaria Liga Pro | 2021/09/17 17:00 | Artem Terekhov v Mikhail Yastrebov | 3-6,6-3,10-7 |
| Bulgaria Liga Pro | 2021/09/14 18:30 | Artem Terekhov v Vitaliy Zaychikov | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/09/14 17:00 | Vitaliy Zaychikov v Artem Terekhov | 6-4,6-3 |
| Bulgaria Liga Pro | 2021/09/12 18:30 | Artem Terekhov v Artem Belousov | 4-6,0-6 |
| Bulgaria Liga Pro | 2021/09/12 17:00 | Artem Belousov v Artem Terekhov | 6-2,6-4 |
| Bulgaria Liga Pro | 2021/09/07 18:30 | Artem Terekhov v Dmitry Morgovsky | 6-7,3-6 |
| Bulgaria Liga Pro | 2021/09/07 17:00 | Dmitry Morgovsky v Artem Terekhov | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/09/19 18:30 | Mikhail Yastrebov v Mihail Minchenkov | 6-4,3-6,10-8 |
| Bulgaria Liga Pro | 2021/09/19 17:00 | Mihail Minchenkov v Mikhail Yastrebov | 6-0,6-0 |
| Bulgaria Liga Pro | 2021/08/23 18:30 | Dmitriy Volkov v Mihail Minchenkov | 6-2,3-6,10-7 |
| Bulgaria Liga Pro | 2021/08/23 17:00 | Mihail Minchenkov v Dmitriy Volkov | 7-6,2-6,10-7 |
| 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 | 2021/08/17 18:30 | Dmitriy Volkov v Mihail Minchenkov | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/08/17 17:00 | Mihail Minchenkov v Dmitriy Volkov | 6-0,6-3 |