| Open de Suède - Qualif. | 2022/01/20 09:40 | Karl Kert v Slegers, Adrien | W | 2-0 |
| Estonie Int. - | 2022/01/14 11:40 | Karl Kert v Karunaratne, Niluka | L | 0-2 |
| Polish Int. Qual | 2021/09/23 13:20 | Tarun Reddy Katam v Karl Kert | L | 2-0 |
| Polish Int. Qual | 2021/09/23 12:00 | Gal Bizjak v Karl Kert | W | 0-2 |
| Latvia 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 - Qualif. | 2021/05/27 14:20 | Karl Kert v Magnus Johannesen | L | 1-2 |
| Austrian Open - Qualif. | 2021/05/27 10:00 | Samuel Cassar v Karl Kert | W | 0-2 |
| Open de Suède - Qualif. | 2022/01/20 09:40 | Mikolaj Szymanowski v Aglinder, Viktor | W | 2-0 |
| Welsh Int Qual | 2021/12/01 12:30 | Mikolaj Szymanowski v Torjussen, J. | L | 0-2 |
| Cyprus Int. | 2021/10/16 13:10 | Mikolaj Szymanowski v Joel Koenig | L | 1-2 |
| Cyprus Int. | 2021/10/15 10:40 | Mikolaj Szymanowski v Borko Petrovic | W | 2-1 |
| Cyprus Int. Qual | 2021/10/14 15:05 | Kattirtzi, Aris v Mikolaj Szymanowski | W | 0-2 |
| Polish Int. Qual | 2021/09/23 08:00 | Mikolaj Szymanowski v Varun Kapur | L | 0-2 |
| Open de Pologne - Qualif. | 2021/03/25 16:35 | Danylo Bosniuk v Mikolaj Szymanowski | L | 2-0 |
| Championnats d'Europe par équipe | 2020/02/13 18:00 | Lebedev, Georgii v Mikolaj Szymanowski | L | 2-0 |