| Olympic Qualification | 2021/04/23 12:30 | Sidorenko, Vladimir v Lubomir Pistej | W | 4-0 |
| Olympic Qualification | 2021/04/22 13:20 | Platonov, Pavel v Sidorenko, Vladimir | W | 1-4 |
| Olympic Qualification | 2021/04/21 18:10 | Sidorenko, Vladimir v Vladislav Ursu | W | 4-3 |
| Olympic Qualification | 2021/04/21 12:20 | Jakub Dyjas v Sidorenko, Vladimir | W | 3-4 |
| Russia Team Championships | 2021/04/14 07:20 | Skachkov, Kirill v Sidorenko, Vladimir | L | 3-2 |
| Russia Team Championships | 2021/04/13 09:20 | Aleksey Perfilyev v Sidorenko, Vladimir | W | 0-3 |
| TT Cup | 2021/03/25 18:55 | Zinov, Nikita v Sidorenko, Vladimir | W | 1-3 |
| TT Cup | 2021/03/25 16:35 | Krivenko, Vitalii v Sidorenko, Vladimir | W | 0-3 |
| Olympic Qualification | 2021/04/23 12:30 | Glod, Eric v Pavel Sirucek | W | 1-4 |
| Challenger Ochsenhausen | 2021/04/07 16:56 | Szymon Malicki v Pavel Sirucek | L | 3-1 |
| Olympic Qualification | 2021/03/14 14:30 | Pavel Sirucek v Aliaksandr Khanin | L | 0-4 |
| WTT Star Contender Doha | 2021/03/09 08:35 | Robert Gardos v Pavel Sirucek | L | 3-0 |
| WTT Star Contender Doha | 2021/03/08 08:35 | Pavel Sirucek v Chih Yuan Chuang | W | 3-2 |
| WTT Contender - Doha | 2021/03/03 13:15 | Sharath Kamal Achanta v Pavel Sirucek | L | 3-2 |
| WTT Contender - Doha | 2021/03/02 13:40 | Pavel Sirucek v Shibaev, Alexander | W | 3-0 |
| Challenger Ochsenhausen | 2021/01/22 17:10 | Patrik Hoinovski v Pavel Sirucek | L | 3-1 |