| Oman Open U21 Women | 2021/11/11 15:35 | Sidorenko, Vladimir v Carlo Rossi | L | 3-4 |
| Ligue des Champions | 2021/11/07 12:35 | Marek Badowski v Sidorenko, Vladimir | L | 3-2 |
| Ligue des Champions | 2021/11/06 17:30 | Sidorenko, Vladimir v Jiri Vrablik | L | 1-3 |
| Ligue des Champions | 2021/11/05 11:45 | Sidorenko, Vladimir v Marcos Freitas | L | 0-3 |
| European Team Championships | 2021/10/03 15:10 | Dang Qiu v Sidorenko, Vladimir | L | 3-1 |
| European Team Championships | 2021/10/02 11:10 | Sidorenko, Vladimir v Persson, Jon | W | 3-2 |
| European Team Championships | 2021/10/01 09:30 | Robert Gardos v Sidorenko, Vladimir | W | 2-3 |
| European Team Championships | 2021/10/01 07:05 | Daniel Habesohn v Sidorenko, Vladimir | L | 3-1 |
| Oman Open U21 Women | 2021/11/11 15:35 | Irvin Bertrand v Adam Klajber | L | 4-1 |
| Oman Open U21 Women | 2021/11/10 18:00 | Maciej Kolodziejczyk v Adam Klajber | W | 3-4 |
| Oman Open U21 Women | 2021/11/10 13:50 | Patrik Juhasz v Adam Klajber | W | 0-4 |
| Oman Open U21 Women | 2021/11/10 10:30 | Vladislav Ursu v Adam Klajber | L | 4-2 |
| WTT Contender Lasko | 2021/11/01 13:35 | Adam Klajber v Grebnev, Maksim | L | 1-3 |
| Czech Open | 2021/08/24 11:30 | Adam Klajber v Truls Moregard | L | 1-4 |
| Czech Open | 2021/08/23 13:20 | Mudit Dani v Adam Klajber | W | 0-4 |
| Czech Open | 2021/08/21 15:20 | Pinto, Daniele v Adam Klajber | W | 0-3 |