| 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 |
| Latvia Int. | 2023/09/01 10:00 | Mateusz Danielak v Karl Kert | W | 0-2 |
| European Games | 2023/06/26 08:30 | Toma Junior Popov v Karl Kert | L | 2-0 |
| Lithuanian Int. | 2023/06/09 13:15 | Rui Yang Ryan Tan v Karl Kert | L | 2-1 |
| Austrian Open Qual | 2023/05/25 08:35 | Harsheel Dani v Karl Kert | L | 2-0 |
| Swedish Open Qual | 2023/05/11 07:35 | Marcus Viscovich v Karl Kert | L | 2-0 |
| Nantes Int. Qual | 2023/06/15 12:35 | Tino Daoudal v Prahdiska B Shujiwo | L | 0-2 |
| Nantes Int. Qual | 2023/06/15 08:20 | Tino Daoudal v Finn Achthoven | W | 2-0 |
| Lithuanian Int. | 2023/06/10 09:05 | Brian Holtschke v Tino Daoudal | L | 2-1 |
| Lithuanian Int. | 2023/06/09 12:40 | Tino Daoudal v Kiran Kumar Mekala | W | 2-1 |
| Bonn Int. | 2023/06/02 08:20 | Tino Daoudal v Jan Jireh Lee | L | 1-2 |
| Bonn Int. | 2023/06/01 12:00 | Tino Daoudal v Phone Pyae Naing | W | 2-1 |
| Austrian Open Qual | 2023/05/25 14:45 | Tino Daoudal v Mads Juel Moller | L | 0-2 |
| Austrian Open Qual | 2023/05/25 10:20 | Brian Holtschke v Tino Daoudal | W | 0-2 |