| Bulgaria Liga Pro | 2021/10/11 04:30 | Andrei Smirnov v Andrey Kapustin | 1-6,5-7 |
| Bulgaria Liga Pro | 2021/10/11 04:30 | Andrei Smirnov v Andrey Kapustin | 1-6,5-7 |
| Bulgaria Liga Pro | 2021/10/08 06:00 | Pavel Zelenkin v Andrey Kapustin | 1-6,4-6 |
| Bulgaria Liga Pro | 2021/10/08 04:30 | Andrey Kapustin v Pavel Zelenkin | 7-6,6-2 |
| Bulgaria Liga Pro | 2021/09/19 06:00 | Andrey Kapustin v Vladimir Kulikov | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/09/19 04:30 | Vladimir Kulikov v Andrey Kapustin | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/09/15 06:00 | Vladimir Kulikov v Andrey Kapustin | 6-2,6-3 |
| Bulgaria Liga Pro | 2021/09/15 04:30 | Andrey Kapustin v Vladimir Kulikov | 6-4,6-4 |
| Bulgaria Liga Pro | 2021/09/13 06:00 | Andrey Kapustin v Никита Кузнецов | 6-4,3-6,11-13 |
| Bulgaria Liga Pro | 2021/10/11 04:30 | Andrei Smirnov v Andrey Kapustin | 1-6,5-7 |
| Bulgaria Liga Pro | 2021/10/03 06:30 | Vladimir Kulikov v Andrei Smirnov | 7-6,6-4 |
| Bulgaria Liga Pro | 2021/10/03 05:00 | Andrei Smirnov v Vladimir Kulikov | 7-5,6-4 |
| Bulgaria Liga Pro | 2021/09/30 06:00 | Vladimir Kulikov v Andrei Smirnov | 3-6,0-6 |
| Bulgaria Liga Pro | 2021/09/30 04:30 | Andrei Smirnov v Vladimir Kulikov | 3-6,1-6 |
| Bulgaria Liga Pro | 2021/09/28 06:00 | Никита Кузнецов v Andrei Smirnov | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/09/28 04:30 | Andrei Smirnov v Никита Кузнецов | 6-2,6-2 |
| Bulgaria Liga Pro | 2021/08/12 06:00 | Andrei Smirnov v Ivan Korol | 2-6,2-6 |