| Polish Open - Kval | 2021/03/25 16:45 | Alvaro Leal v Jan Louda | L | 0-2 |
| Polish Open - Kval | 2021/03/25 12:10 | Lukas Holub v Alvaro Leal | W | 1-2 |
| Spanish Int. - Kval | 2019/06/12 09:25 | Elias Bracke v Alvaro Leal | L | 2-1 |
| Polish Open - Kval | 2021/03/25 17:10 | Carlos Piris v Karl Kert | L | 2-0 |
| Polish Open - Kval | 2021/03/25 09:00 | Karl Kert v Camilo Borst | W | 2-0 |
| Lettland - Int. | 2020/08/30 08:00 | Hans-Kristjan Pilve v Karl Kert | L | 2-1 |
| Lettland - Int. | 2020/08/29 15:00 | Tauri Kilk v Karl Kert | W | 0-2 |
| Lettland - Int. | 2020/08/29 12:45 | Ragnar Sepp v Karl Kert | W | 0-2 |
| Slovak Open - Kval | 2020/02/26 11:35 | Karl Kert v Ivan Druzchenko | W | 2-0 |
| Austrian Open - Kval | 2020/02/19 10:45 | Aram Mahmoud v Karl Kert | L | 2-0 |
| European Team Championships | 2020/02/11 08:30 | Alex Lane v Karl Kert | L | 2-0 |