| Championnat d'Europe | 04/08 13:00 | - | Koenig, Joel v Joakim Oldorff | L | 0-2 | |
| Dutch Int. - | 03/15 10:25 | - | Joel König v Mads Juel Moller | L | 0-2 | |
| International du Portugal | 03/08 12:40 | - | Sacha Leveque v Joel König | L | 2-0 | |
| Azerbaïdjan Int. - Qualif. | 02/08 06:20 | - | Lakshay Sharma v Joel König | - | Walkover | |
| Open de Suède | 01/19 08:20 | - | Joel König v Jia Wei Joel Koh | L | 0-2 | |
| Open de Suède | 01/19 07:00 | - | Joel König v Max Weisskirchen | - | View | |
| Estonie Int. - | 01/12 10:00 | - | Joel König v Fabian Roth | - | View | |
| Welsh Int. | 11/30 09:00 | - | Lucas Claerbout v Joel König | L | 2-0 | |
| Welsh Int. Qual | 11/28 09:00 | - | Koenig, Joel v Angus Meldrum | - | View | |
| Irish Open | 11/16 12:00 | - | Samuel Hsiao v Joel König | L | 2-0 | |
| Hungarian Int. | 11/03 09:40 | - | Koenig, Joel v Heino, Iikka | L | 0-2 | |
| Hungarian Int. | 11/02 12:45 | - | Joel König v Bruno Carvalho | W | 2-0 |