| Swedish Open - Kval | 2024/01/18 10:20 | Romeo Makboul v Karl Kert | L | 2-0 |
| Estonian Int. | 2024/01/12 10:55 | Karl Kert v Subhankar Dey | L | 0-2 |
| Irish Open - Kval | 2023/11/15 09:20 | Filip Karlborg v Karl Kert | L | 2-0 |
| Norwegian Int. | 2023/11/10 16:20 | Karl Kert v Yanis Gaudin | L | 0-2 |
| Norwegian Int. | 2023/11/10 11:00 | Karl Kert v Tino Daoudal | W | 2-1 |
| Croatian Int. | 2023/09/29 16:50 | Karl Kert v Valentin Singer | L | 0-2 |
| Croatian Int. | 2023/09/29 08:00 | Karl Kert v Mykhailo Vyshnevyi | W | 2-0 |
| Latvia Int. | 2023/09/02 06:40 | Aria Dinata v Karl Kert | L | 2-0 |
| Czech Open - Kval | 2023/10/19 13:00 | Sebastian Pinkowicz v Andrei Don | L | 0-2 |
| Czech Open - Kval | 2023/10/19 08:35 | Sebastian Pinkowicz v Andrej Suchy | W | 2-1 |
| Polish Int. - Kval | 2023/09/21 09:00 | Alexander Pedersen v Sebastian Pinkowicz | L | 2-0 |
| Latvia Int. Qual | 2023/08/30 14:00 | Sebastian Pinkowicz v Ananda Daniswara | L | 0-2 |