| Open d'Allemagne - Qualif. | 03/07 10:00 | 4 | Mads Christophersen v Max Weisskirchen | - | Cancelled | |
| Open d'Allemagne - Qualif. | 03/07 08:10 | 4 | Samuel Hsiao v Max Weisskirchen | L | 2-0 | |
| World Championships | 08/22 02:00 | 6 | Bernardo Atilano v Max Weisskirchen | - | Walkover | |
| Taipei Open | 07/21 05:20 | - | Max Weisskirchen v Phetpradab, Khosit | L | 0-2 | |
| Taipei Open | 07/20 05:10 | 5 | Max Weisskirchen v Danylo Bosniuk | W | 2-0 | |
| Singapore Open 2019, MS, Qualification | 07/12 04:00 | - | Max Weisskirchen v Mithun Manjunath | L | 0-2 | |
| Singapore Open 2019, MS, Qualification | 07/12 01:00 | - | Joo Ven Soong v Max Weisskirchen | W | 0-2 | |
| Denmark Masters | 06/10 11:40 | - | Lu, C. H. v Max Weisskirchen | L | 2-0 | |
| Denmark Masters | 06/10 08:40 | - | Lin, Yu Hsien v Max Weisskirchen | W | 1-2 | |
| Thomas Cup | 05/11 07:00 | - | Max Weisskirchen v Brian Yang | L | 1-2 | |
| Thomas Cup | 05/09 07:00 | - | Tien Chen Chou v Max Weisskirchen | L | 2-1 | |
| Thomas Cup | 05/08 02:00 | - | Lakshya Sen v Max Weisskirchen | L | 2-0 | |
| Championnat d'Europe | 04/27 08:40 | - | Viktor Axelsen v Max Weisskirchen | - | Walkover | |
| Championnat d'Europe | 04/26 09:00 | - | Max Weisskirchen v Gergo Pytel | W | 2-0 | |
| Orléans Masters | 03/30 13:20 | - | Max Weisskirchen v Hans-Kristian Vittinghus | L | 0-2 | |
| Orléans Masters | 03/29 17:00 | 6 | Nikolov, Daniel v Max Weisskirchen | W | 0-2 | |
| Open de Suisse | 03/23 15:40 | - | Max Weisskirchen v Arnaud Merkle | L | 0-2 | |
| German Open | 03/08 12:20 | 5 | Viktor Axelsen v Max Weisskirchen | L | 2-0 | |
| World Championships | 12/12 08:00 | 6 | Lakshya Sen v Max Weisskirchen | - | Walkover | |
| Hylo Open | 11/03 09:00 | - | Max Weisskirchen v Verma, Sourabh | - | Walkover | |
| Belgian International 2019, MS | 10/28 07:20 | 5 | Max Weisskirchen v Shimono, Hashiru | - | Retired | |
| Thomas Cup | 10/13 17:00 | - | Max Weisskirchen v Toma Junior Popov | W | 2-0 | |
| Thomas Cup | 10/09 17:00 | - | Heo, Kwang Hee v Max Weisskirchen | L | 2-0 | |
| Sudirman Cup | 09/30 08:00 | - | Max Weisskirchen v Lefoll, Glen | W | 2-0 | |
| Sudirman Cup | 09/26 13:20 | - | Heo, Kwang Hee v Max Weisskirchen | L | 2-1 | |
| Masters d'Espagne | 05/20 11:00 | 4 | Shesar Hiren Rhustavito v Max Weisskirchen | L | 2-0 | |
| Masters d'Espagne | 05/19 08:15 | 5 | Jun Hao Leong v Max Weisskirchen | W | 1-2 | |
| Masters d'Espagne | 05/19 08:00 | 5 | Rogalski, Michal v Max Weisskirchen | - | Cancelled | |
| Portuguese Int. | 05/09 15:00 | 1 | Ditlev Jaeger Holm v Max Weisskirchen | L | 2-0 | |
| Portuguese Int. | 05/09 09:00 | 1 | Karunaratne, Niluka v Max Weisskirchen | W | 0-2 |