| Azerbaijan Int | 2024/02/10 06:40 | Daniil Dubovenko v Kai Schaefer | L | 2-1 |
| Azerbaijan Int | 2024/02/09 09:40 | Kai Schaefer v Giovanni Toti | W | 2-1 |
| Swedish Open | 2024/01/19 14:00 | Kai Schaefer v Enogat Roy | L | 0-2 |
| Swedish Open | 2024/01/19 13:00 | Kai Schaefer v Gregoire Deschamp | W | 2-0 |
| Irish Open | 2023/11/17 10:40 | Pablo Abian v Kai Schaefer | L | 2-1 |
| Irish Open | 2023/11/16 16:00 | Kai Schaefer v Joakim Oldorff | W | 2-1 |
| Irish Open | 2023/11/16 11:00 | Kai Schaefer v Gustav Bjorkler | W | 2-1 |
| Korea Masters | 2023/11/09 06:25 | Kai Schaefer v Kento Momota | L | 0-2 |
| Azerbaijan Int | 2024/02/09 11:20 | Markus Barth v Dmitriy Panarin | L | 0-2 |
| Swedish Open | 2024/01/19 14:00 | Markus Barth v Enogat Roy | L | 0-2 |
| Estonian Int. | 2024/01/12 09:55 | Jia Wei Joel Koh v Markus Barth | L | 2-1 |
| Norwegian International | 2023/11/10 10:20 | Markus Barth v Mikolaj Szymanowski | L | 0-2 |
| Hylo Open Qual | 2023/10/31 08:30 | Markus Barth v Luka Wraber | L | 0-2 |
| Abu Dhabi Masters | 2023/10/18 06:00 | Korakrit Laotrakul v Markus Barth | L | 2-0 |
| Dutch Open | 2023/10/12 15:20 | Markus Barth v Mads Juel Moller | L | 0-2 |
| Scottish Open | 2023/10/06 11:20 | Samuel O'Brien Ricketts v Markus Barth | L | 2-1 |