| Bulgaria Liga Pro | 2021/10/22 06:00 | Pavel Zelenkin v Nikita Kuznetsov | 3-6,2-6 |
| Bulgaria Liga Pro | 2021/10/22 04:30 | Nikita Kuznetsov v Pavel Zelenkin | 6-3,6-3 |
| Bulgaria Liga Pro | 2021/10/20 06:00 | Pavel Zelenkin v Andrey Kapustin | 2-6,3-6 |
| Bulgaria Liga Pro | 2021/10/20 04:30 | Andrey Kapustin v Pavel Zelenkin | 7-5,7-6 |
| Bulgaria Liga Pro | 2021/10/13 06:00 | Pavel Zelenkin v Andrei Smirnov | 6-4,7-6 |
| Bulgaria Liga Pro | 2021/10/13 04:30 | Andrei Smirnov v Pavel Zelenkin | 7-5,6-4 |
| 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 | 2021/07/30 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 | 2021/07/28 18:30 | Andrey Abragin v Vladimir Gusev | 2-6,1-6 |
| Bulgaria Liga Pro | 2021/07/28 17:00 | Vladimir Gusev v Andrey Abragin | 5-7,7-5,3-10 |
| Bulgaria Liga Pro | 2021/07/24 18:30 | Vladimir Kulikov v Vladimir Gusev | 6-0,4-6,10-5 |
| Bulgaria Liga Pro | 2021/07/24 17:00 | Vladimir Kulikov v Vladimir Gusev | 4-6,6-2,10-7 |