| WTT Contender Budapest | 2021/08/17 17:00 | Vladimir Sidorenko v Truls Moregard | L | 0-3 |
| WTT Contender Budapest | 2021/08/16 18:00 | Joe Seyfried v Vladimir Sidorenko | W | 2-3 |
| WTT Contender Budapest | 2021/08/15 17:20 | Gergo Kramarics v Vladimir Sidorenko | W | 0-3 |
| European Championships | 2021/06/25 17:30 | Kristian Karlsson v Vladimir Sidorenko | L | 4-1 |
| European Championships | 2021/06/24 18:20 | Vladimir Sidorenko v Pavel Sirucek | W | 4-3 |
| European Championships | 2021/06/22 11:55 | Pavel Platonov v Vladimir Sidorenko | W | 1-3 |
| Olympic Qualification | 2021/04/24 19:45 | Ovidiu Ionescu v Vladimir Sidorenko | L | 4-1 |
| Olympic Qualification | 2021/04/24 10:20 | Alvaro Robles v Vladimir Sidorenko | L | 4-3 |
| Others | 2021/06/13 14:42 | Lehel Demeter v Krisztian Molnar | W | 3-0 |
| Europe Cup | 2021/05/14 17:35 | Lehel Demeter v Daniel Habesohn | L | 1-3 |
| Europe Cup | 2021/05/14 08:45 | Andreas Levenko v Lehel Demeter | L | 3-1 |
| Europe Cup | 2021/05/12 14:20 | Endika Diez v Lehel Demeter | W | 2-3 |
| Europe Cup | 2021/03/28 10:00 | Andrea Landrieu v Lehel Demeter | L | 3-0 |
| Europe Cup | 2021/03/27 18:15 | Lehel Demeter v Leon Santek | W | 3-1 |
| Europe Cup | 2019/12/13 19:00 | Tomas Konecny v Lehel Demeter | L | 3-0 |
| Europe Cup | 2019/12/13 17:50 | Borna Kovac v Lehel Demeter | W | 1-3 |