| Welsh Int. | 2023/11/30 09:00 | Lucas Claerbout v Joel Koenig | L | 2-0 |
| Irish Open | 2023/11/16 12:00 | Samuel Hsiao v Joel Koenig | L | 2-0 |
| Hungarian Int. | 2023/11/03 09:40 | Joel Koenig v Iikka Heino | L | 0-2 |
| Hungarian Int. | 2023/11/02 12:45 | Joel Koenig v Bruno Carvalho | W | 2-0 |
| Dutch Open | 2023/10/12 14:00 | Joel Koenig v Jeppe Bruun Christensen | L | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/08 00:50 | Bruno Carvalho v Joel Koenig | L | 2-1 |
| Nouvelle Aquitane Future Series | 2023/07/07 14:00 | Neil Bhabuta v Joel Koenig | W | 0-2 |
| Nouvelle Aquitane Future Series | 2023/07/07 08:20 | Paul Tournefier v Joel Koenig | W | 0-2 |
| Estonian Int. | 2024/01/12 14:40 | Max Weisskirchen v Enogat Roy | L | 0-2 |
| Estonian Int. | 2024/01/12 10:30 | Max Weisskirchen v Enrico Asuncion | W | 2-0 |
| Welsh Int. | 2023/11/30 09:20 | Joran Kweekel v Max Weisskirchen | L | 2-0 |
| Hylo Open | 2023/11/01 11:50 | Max Weisskirchen v Tze Yong Ng | L | 0-2 |
| Abu Dhabi Masters | 2023/10/19 11:55 | Kiran George v Max Weisskirchen | L | 2-0 |
| Abu Dhabi Masters | 2023/10/18 12:15 | Max Weisskirchen v Nachakorn Pusri | W | 2-0 |
| Arctic Open | 2023/10/11 15:35 | Max Weisskirchen v Srikanth Kidambi | - | away |
| Scottish Open | 2023/10/06 08:40 | S. Sankar Muthusamy Subramanian v Max Weisskirchen | L | 2-1 |