| 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 | 2021/08/03 06:00 | Vladimir Kulikov v Mikhail Suvorov | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/08/03 04:30 | Mikhail Suvorov v Vladimir Kulikov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/07/30 18:30 | Vladimir Gusev v Vladimir Kulikov | 2-6,6-2,6-10 |
| Bulgaria Liga Pro | 2021/07/30 17:00 | Vladimir Kulikov v Vladimir Gusev | 6-3,6-1 |
| Bulgaria Liga Pro | 2021/07/30 06:00 | Andrei Smirnov v Vladimir Kulikov | 6-2,6-7,4-10 |
| Bulgaria Liga Pro | 2021/07/30 04:30 | Vladimir Kulikov v Andrei Smirnov | 1-6,2-6 |
| Bulgaria Liga Pro | 2021/07/28 06:00 | Vladimir Kulikov v Andrei Smirnov | 6-1,6-0 |
| Bulgaria Liga Pro | 2021/07/28 04:30 | Andrei Smirnov v Vladimir Kulikov | 7-5,3-6,10-5 |
| 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 |
| Bulgaria Liga Pro | 2021/07/31 04:30 | Vladislav Pryakhin v Andrey Kapustin | 6-3,1-6,12-10 |
| Bulgaria Liga Pro | 2021/07/13 06:00 | Andrey Kapustin v Nikita Kuznetsov | 6-2,6-1 |
| Bulgaria Liga Pro | 2021/07/13 04:30 | Nikita Kuznetsov v Andrey Kapustin | 3-6,3-6 |