| Abu Dhabi Masters Qual | 2023/10/17 13:50 | Ramnish Kumar v Aashinsa Herath | W | 1-2 |
| Abu Dhabi Masters Qual | 2023/10/17 12:00 | Mohamed S Almazrouei v Aashinsa Herath | W | 0-2 |
| Dutch Open | 2023/10/13 12:30 | Kai Schaefer v Karan Rajan Rajarajan | L | 1-2 |
| Dutch Open | 2023/10/12 10:20 | Kai Schaefer v Gregoire Deschamp | W | 2-1 |
| Scottish Open | 2023/10/06 14:40 | Collins Valentine Filimon v Kai Schaefer | L | 2-1 |
| Scottish Open | 2023/10/06 09:20 | Bernardo Atilano v Kai Schaefer | W | 0-2 |
| Belgian Int. | 2023/09/14 11:15 | Kai Schaefer v Louis Ducrot | L | 1-2 |
| World Championships | 2023/08/21 12:25 | Kai Schaefer v Brian Yang | - | away |
| Australian Open | 2023/08/02 02:25 | Su Li Yang v Kai Schaefer | L | 2-0 |
| Australian Open Qual | 2023/08/01 01:25 | Kai Schaefer v Korakrit Laotrakul | W | 2-1 |