| 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 | 2021/08/05 06:00 | Mikhail Suvorov v Andrei Smirnov | 1-6,6-7 |
| Bulgaria Liga Pro | 2021/08/05 04:30 | Andrei Smirnov v Mikhail Suvorov | 6-0,6-3 |
| Bulgaria Liga Pro | 2021/08/01 06:00 | Andrei Smirnov v Mikhail Suvorov | 7-5,6-1 |
| Bulgaria Liga Pro | 2021/08/01 04:30 | Mikhail Suvorov v Andrei Smirnov | 3-6,5-7 |
| 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 | 2021/12/23 06:00 | Andrei Smirnov v Никита Кузнецов | 5-7,1-6 |
| Bulgaria Liga Pro | 2021/12/23 04:30 | Никита Кузнецов v Andrei Smirnov | 6-3,6-2 |
| Bulgaria Liga Pro | 2021/12/21 06:00 | Andrei Smirnov v Alexei Miller | 6-4,2-6,3-10 |
| Bulgaria Liga Pro | 2021/12/21 04:30 | Alexei Miller v Andrei Smirnov | 4-6,7-6,11-9 |
| Bulgaria Liga Pro | 2021/12/08 06:00 | Никита Кузнецов v Andrei Smirnov | 6-4,6-3 |
| Bulgaria Liga Pro | 2021/12/08 04:30 | Andrei Smirnov v Никита Кузнецов | 4-6,2-6 |
| Bulgaria Liga Pro | 2021/12/06 06:00 | Andrey Kapustin v Andrei Smirnov | 2-6,4-6 |
| Bulgaria Liga Pro | 2021/12/06 04:30 | Andrei Smirnov v Andrey Kapustin | 6-3,4-6,6-10 |
| Bulgaria Liga Pro | 2021/12/31 06:30 | Mikhail Suvorov v Andrey Kapustin | 6-4,6-2 |
| Bulgaria Liga Pro | 2021/12/31 00:00 | Andrey Kapustin v Mikhail Suvorov | 7-5,6-4 |
| Bulgaria Liga Pro | 2021/08/18 04:30 | Ivan Korol v Mikhail Suvorov | 6-3,6-3 |
| Bulgaria Liga Pro | 2021/08/16 06:00 | Mikhail Suvorov v Ivan Korol | 1-6,0-6 |
| Bulgaria Liga Pro | 2021/08/16 04:30 | Ivan Korol v Mikhail Suvorov | 6-4,6-0 |
| 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 | 2021/08/08 06:00 | Ivan Korol v Mikhail Suvorov | 6-4,7-5 |