| Bulgaria Liga Pro | 2021/09/03 04:30 | Andrey Kapustin v Ivan Erastov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/28 05:30 | Ivan Erastov v Andrey Kapustin | 7-6,4-6,10-8 |
| Bulgaria Liga Pro | 2021/08/28 04:00 | Andrey Kapustin v Ivan Erastov | 6-2,6-0 |
| Bulgaria Liga Pro | 2021/09/03 04:30 | Andrey Kapustin v Ivan Erastov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/09/01 06:00 | Ivan Erastov v Vladimir Kulikov | 6-4,6-3 |
| Bulgaria Liga Pro | 2021/09/01 04:30 | Vladimir Kulikov v Ivan Erastov | 3-6,6-2,6-10 |
| Bulgaria Liga Pro | 2021/08/28 05:30 | Ivan Erastov v Andrey Kapustin | 7-6,4-6,10-8 |
| Bulgaria Liga Pro | 2021/08/28 04:00 | Andrey Kapustin v Ivan Erastov | 6-2,6-0 |
| Bulgaria Liga Pro | 2021/09/03 04:30 | Andrey Kapustin v Ivan Erastov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/30 06:00 | Andrey Kapustin v Vladimir Kulikov | 4-6,6-4,10-2 |
| Bulgaria Liga Pro | 2021/08/30 04:30 | Vladimir Kulikov v Andrey Kapustin | 3-6,4-6 |
| Bulgaria Liga Pro | 2021/08/28 05:30 | Ivan Erastov v Andrey Kapustin | 7-6,4-6,10-8 |
| Bulgaria Liga Pro | 2021/08/28 04:00 | Andrey Kapustin v Ivan Erastov | 6-2,6-0 |
| Bulgaria Liga Pro | 2021/08/02 06:00 | Andrey Kapustin v Alexey Nikiforov | 4-6,4-6 |
| Bulgaria Liga Pro | 2021/08/02 04:30 | Alexey Nikiforov v Andrey Kapustin | 7-5,4-6,10-5 |
| Bulgaria Liga Pro | 2021/07/31 06:00 | Andrey Kapustin v Vladislav Pryakhin | 2-6,2-6 |