| 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 | 2021/07/07 06:00 | Andrey Kapustin v Vladimir Kulikov | 7-6,6-3 |
| Bulgaria Liga Pro | 2021/07/07 04:30 | Vladimir Kulikov v Andrey Kapustin | 7-5,1-6,7-10 |
| Bulgaria Liga Pro | 2021/09/13 06:00 | Andrey Kapustin v Nikita Kuznetsov | 6-4,3-6,11-13 |
| Bulgaria Liga Pro | 2021/09/13 04:30 | Nikita Kuznetsov v Andrey Kapustin | 5-7,1-6 |
| Bulgaria Liga Pro | 2021/09/03 06:00 | Ivan Erastov v Andrey Kapustin | 6-3,6-4 |
| 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 | 2021/09/10 06:00 | Vladimir Kulikov v Vladislav Pryakhin | 6-2,4-6,10-6 |
| Bulgaria Liga Pro | 2021/09/10 04:30 | Vladislav Pryakhin v Vladimir Kulikov | 7-6,6-1 |
| Bulgaria Liga Pro | 2021/09/09 06:00 | Vladimir Kulikov v Vladislav Pryakhin | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/09/09 04:30 | Vladislav Pryakhin v Vladimir Kulikov | 6-3,6-3 |
| Bulgaria Liga Pro | 2021/09/07 06:00 | Vladimir Kulikov v Nikita Kuznetsov | 4-6,6-3,8-10 |
| Bulgaria Liga Pro | 2021/09/07 04:30 | Nikita Kuznetsov v Vladimir Kulikov | 2-6,2-6 |
| 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 |