Round: 1
| 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 | 2021/09/03 18:30 | Artem Terekhov v Alexey Averin | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/09/03 17:00 | Alexey Averin v Artem Terekhov | 2-6,6-3,10-4 |
| Bulgaria Liga Pro | 2021/09/08 06:00 | Igor Krylov v Mikhail Yastrebov | 6-4,0-6,10-5 |
| Bulgaria Liga Pro | 2021/09/08 04:30 | Mikhail Yastrebov v Igor Krylov | 6-1,3-6,10-7 |
| Bulgaria Liga Pro | 2021/09/06 06:00 | Leonid Chuvilgin v Mikhail Yastrebov | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/09/06 04:30 | Mikhail Yastrebov v Leonid Chuvilgin | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/09/02 06:00 | Igor Krylov v Mikhail Yastrebov | 6-3,3-6,6-10 |
| Bulgaria Liga Pro | 2021/09/02 04:30 | Mikhail Yastrebov v Igor Krylov | 6-2,7-5 |
| Bulgaria Liga Pro | 2021/08/23 05:30 | Andrey Ovechkin v Mikhail Yastrebov | 6-3,6-0 |
| Bulgaria Liga Pro | 2021/08/23 04:30 | Mikhail Yastrebov v Andrey Ovechkin | 3-6,4-6 |