| Bulgaria Liga Pro | 2021/07/24 06:00 | Andrei Smirnov v Vladislav Pryakhin | 6-4,4-6,5-10 |
| Bulgaria Liga Pro | 2021/07/24 04:30 | Vladislav Pryakhin v Andrei Smirnov | 6-7,4-6 |
| Bulgaria Liga Pro | 2021/07/22 06:00 | Alexey Nikiforov v Andrei Smirnov | 6-1,3-6,8-10 |
| Bulgaria Liga Pro | 2021/07/22 04:30 | Andrei Smirnov v Alexey Nikiforov | 0-6,6-3,4-10 |
| Bulgaria Liga Pro | 2021/07/18 06:00 | Andrei Smirnov v Mikhail Suvorov | 6-4,6-1 |
| Bulgaria Liga Pro | 2021/07/18 04:30 | Mikhail Suvorov v Andrei Smirnov | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/07/16 06:00 | Andrei Smirnov v Alexey Nikiforov | 6-2,4-6,10-7 |
| Bulgaria Liga Pro | 2021/07/16 04:30 | Alexey Nikiforov v Andrei Smirnov | 6-3,6-0 |
| Bulgaria Liga Pro | 2021/07/26 18:30 | Andrey Abragin v Vladimir Kulikov | 6-7,3-6 |
| Bulgaria Liga Pro | 2021/07/26 17:00 | Vladimir Kulikov v Andrey Abragin | 6-3,6-4 |
| Bulgaria Liga Pro | 2021/07/26 06:00 | Vladimir Kulikov v Vladislav Pryakhin | 1-6,4-6 |
| Bulgaria Liga Pro | 2021/07/26 04:30 | Vladislav Pryakhin v Vladimir Kulikov | 4-6,1-6 |
| 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 |
| Bulgaria Liga Pro | 2021/07/09 06:00 | Vladimir Kulikov v Nikita Kuznetsov | 3-6,3-6 |
| Bulgaria Liga Pro | 2021/07/09 04:30 | Nikita Kuznetsov v Vladimir Kulikov | 6-2,4-6,6-10 |