| Swedish Open - Kval | 2022/01/20 09:40 | Karl Kert v Adrien Slegers | W | 2-0 |
| Estonian Int. | 2022/01/14 11:40 | Karl Kert v Niluka Karunaratne | L | 0-2 |
| Polish Int. - Kval | 2021/09/23 13:20 | Tarun Reddy Katam v Karl Kert | L | 2-0 |
| Polish Int. - Kval | 2021/09/23 12:00 | Gal Bizjak v Karl Kert | W | 0-2 |
| Lettland - Int. | 2021/08/27 11:00 | Bernardo Atilano v Karl Kert | L | 2-0 |
| Lithuanian Int. | 2021/06/11 09:40 | Alvaro Vazquez v Karl Kert | L | 2-0 |
| Austrian Open - Kval | 2021/05/27 14:20 | Karl Kert v Magnus Johannesen | L | 1-2 |
| Austrian Open - Kval | 2021/05/27 10:00 | Samuel Cassar v Karl Kert | W | 0-2 |
| Swedish Open - Kval | 2022/01/20 09:40 | Mikolaj Szymanowski v Viktor Aglinder | W | 2-0 |
| Welsh Int Qual | 2021/12/01 12:30 | Mikolaj Szymanowski v Johnnie Torjussen | L | 0-2 |
| Cypern - Int. | 2021/10/16 13:10 | Mikolaj Szymanowski v Joel Koenig | L | 1-2 |
| Cypern - Int. | 2021/10/15 10:40 | Mikolaj Szymanowski v Borko Petrovic | W | 2-1 |
| Cyprus Int. Qual | 2021/10/14 15:05 | Aris Kattirtzi v Mikolaj Szymanowski | W | 0-2 |
| Polish Int. - Kval | 2021/09/23 08:00 | Mikolaj Szymanowski v Varun Kapur | L | 0-2 |
| Polish Open - Kval | 2021/03/25 16:35 | Danylo Bosniuk v Mikolaj Szymanowski | L | 2-0 |
| European Team Championships | 2020/02/13 18:00 | Georgii Lebedev v Mikolaj Szymanowski | L | 2-0 |