Round: 1
| Bulgaria Liga Pro | 2021/07/12 06:00 | Andrey Dzemeshkevich v Andrey Purygin | 6-2,4-6,4-10 |
| Bulgaria Liga Pro | 2021/07/12 04:30 | Andrey Purygin v Andrey Dzemeshkevich | 4-6,6-4,10-12 |
| Bulgaria Liga Pro | 2021/07/14 06:00 | Andrey Purygin v Artem Belousov | 0-6,6-4,11-9 |
| Bulgaria Liga Pro | 2021/07/14 04:30 | Artem Belousov v Andrey Purygin | 6-3,5-7,5-10 |
| Bulgaria Liga Pro | 2021/07/12 06:00 | Andrey Dzemeshkevich v Andrey Purygin | 6-2,4-6,4-10 |
| Bulgaria Liga Pro | 2021/07/12 04:30 | Andrey Purygin v Andrey Dzemeshkevich | 4-6,6-4,10-12 |
| Bulgaria Liga Pro | 2021/07/08 06:00 | Artem Belousov v Andrey Purygin | 6-1,6-2 |
| Bulgaria Liga Pro | 2021/07/08 04:30 | Andrey Purygin v Artem Belousov | 6-3,6-4 |
| Bulgaria Liga Pro | 2021/07/12 06:00 | Andrey Dzemeshkevich v Andrey Purygin | 6-2,4-6,4-10 |
| Bulgaria Liga Pro | 2021/07/12 04:30 | Andrey Purygin v Andrey Dzemeshkevich | 4-6,6-4,10-12 |
| Bulgaria Liga Pro | 2021/07/10 06:00 | Andrey Dzemeshkevich v Artem Belousov | 4-6,3-6 |
| Bulgaria Liga Pro | 2021/07/10 04:30 | Artem Belousov v Andrey Dzemeshkevich | 6-2,5-7,10-7 |