Round: 1
| 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 |