| 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 | 2021/09/28 06:00 | Nikita Kuznetsov v Andrei Smirnov | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/09/28 04:30 | Andrei Smirnov v Nikita Kuznetsov | 6-2,6-2 |
| Bulgaria Liga Pro | 2021/08/12 06:00 | Andrei Smirnov v Ivan Korol | 2-6,2-6 |
| Bulgaria Liga Pro | 2021/08/12 04:30 | Ivan Korol v Andrei Smirnov | 6-1,6-4 |
| Bulgaria Liga Pro | 2021/08/10 06:00 | Mikhail Suvorov v Andrei Smirnov | 4-6,6-3,5-10 |
| Bulgaria Liga Pro | 2021/08/10 04:30 | Andrei Smirnov v Mikhail Suvorov | 6-1,6-3 |
| Bulgaria Liga Pro | 2021/08/07 05:30 | Ivan Korol v Andrei Smirnov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/08/07 04:00 | Andrei Smirnov v Ivan Korol | 0-6,1-6 |
| Bulgaria Liga Pro | 2021/09/26 06:00 | Nikita Kuznetsov v Vladimir Kulikov | 4-6,7-6,5-10 |
| Bulgaria Liga Pro | 2021/09/26 04:30 | Vladimir Kulikov v Nikita Kuznetsov | 2-6,6-4,10-6 |
| 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 | 2021/09/17 06:00 | Nikita Kuznetsov v Vladimir Kulikov | 6-4,2-6,2-10 |
| Bulgaria Liga Pro | 2021/09/17 04:30 | Vladimir Kulikov v Nikita Kuznetsov | 6-2,6-3 |
| 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 |