| 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 |
| Australian Open Qual | 2023/07/31 23:30 | Kai Schaefer v Ytharth Madaan | W | 2-0 |
| US Open | 2023/07/12 19:10 | Kai Schaefer v Koo Takahashi | L | 0-2 |
| Canada Open Qual | 2023/07/04 16:55 | Kai Schaefer v Parupalli Kashyap | L | 0-2 |
| European Games | 2023/06/28 08:30 | Luka Wraber v Kai Schaefer | W | 1-2 |
| Thailand Open Qual | 2023/05/30 06:55 | Chia Hao Lee v Kai Schaefer | L | 2-1 |
| Malaysia Masters Qual | 2023/05/23 02:00 | Christian Adinata v Kai Schaefer | L | 2-0 |
| Belgian Int. Qual | 2023/09/13 15:10 | Cholan Kayan v Louis Ducrot | W | 1-2 |
| Belgian Int. Qual | 2023/09/13 11:50 | Rune Van Dalm v Louis Ducrot | W | 0-2 |
| Belgian Int. Qual | 2023/09/13 10:00 | Patrick Zbinden v Louis Ducrot | W | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/07 09:55 | Louis Ducrot v Neil Bhabuta | L | 0-2 |
| Estonian Int. Qual | 2023/01/12 11:05 | Louis Ducrot v Cholan Kayan | L | 0-2 |
| Slovenia Future Series Qual | 2022/11/24 18:30 | Daigo Tanioka v Louis Ducrot | L | 2-0 |
| Hungarian Int. | 2022/11/03 14:40 | Collins Valentine Filimon v Louis Ducrot | L | 2-0 |
| Hungarian Int. Qual | 2022/11/03 08:00 | Louis Ducrot v Alvaro Leal | W | 2-0 |