| Open de France - Doubles Hommes | 03/05 13:25 | 5 | Chia/Soh v Lamsfuss/Seidel | - | home | |
| Open d'Allemagne - Doubles Hommes | 03/01 14:40 | 3 | Ren/He v Lamsfuss/Seidel | L | 2-1 | |
| Open d'Allemagne - Doubles Hommes | 02/29 14:05 | 4 | Lamsfuss/Seidel v Sondergaard/Toft | W | 2-1 | |
| Open d'Allemagne - Doubles Hommes | 02/27 15:40 | 5 | Lamsfuss/Seidel v Geiss/Voelker | W | 2-1 | |
| Masters de Thaïlande - Doubles Hommes | 02/02 06:50 | 3 | Jomkoh/Kedren v Lamsfuss/Seidel | L | 2-1 | |
| Masters de Thaïlande - Doubles Hommes | 02/01 07:05 | 4 | Lamsfuss/Seidel v Wei/Wu | W | 2-1 | |
| Masters de Thaïlande - Doubles Hommes | 01/30 12:10 | 5 | Lamsfuss/Seidel v Magee/Reynolds | W | 2-0 | |
| Indonesia Masters MD | 01/23 09:00 | 5 | Carnando/Marthin v Lamsfuss/Seidel | L | 2-0 | |
| Open d'Inde - Doubles Hommes | 01/16 06:20 | 5 | Seo/Kang v Lamsfuss/Seidel | L | 2-0 | |
| Open de Malaisie - Doubles Hommes | 01/09 12:15 | 5 | Matsui/Takeuchi v Lamsfuss/Seidel | L | 2-0 | |
| Syed Modi India Int. MD | 11/30 11:15 | - | Choong/Haikal v Lamsfuss/Seidel | L | 2-1 | |
| Syed Modi India Int. MD | 11/29 14:10 | - | Kapila/Panjala v Lamsfuss/Seidel | W | 0-2 | |
| China Masters MD | 11/23 08:00 | - | Lamsfuss/Seidel v Yang Lee/Wang | L | 0-2 | |
| China Masters MD | 11/22 05:00 | 5 | Lamsfuss/Seidel v Lee/Lee | W | 2-0 | |
| Japan Masters MD | 11/16 04:45 | - | Tan/Zhou v Lamsfuss/Seidel | L | 2-1 | |
| Japan Masters MD | 11/14 07:20 | 5 | Lamsfuss/Seidel v Endo/Takei | W | 2-1 | |
| Hylo Open MD | 11/04 19:05 | - | Lamsfuss/Seidel v Lee / Wang | L | 0-2 | |
| Hylo Open MD | 11/03 16:25 | 3 | He/Ren v Lamsfuss/Seidel | W | 0-2 | |
| Hylo Open MD | 11/02 19:30 | 4 | Lamsfuss/Seidel v Dong/Yakura | W | 2-0 | |
| Hylo Open MD | 10/31 15:05 | 5 | Lamsfuss/Seidel v Chiu/Yuan | W | 2-0 | |
| Open de France - Doubles Hommes | 10/24 13:00 | 5 | Liu/Ou v Lamsfuss/Seidel | L | 2-0 | |
| Denmark Open MD | 10/19 15:45 | 4 | Lamsfuss/Seidel v Astrup/Rasmussen | L | 1-2 | |
| Denmark Open MD | 10/17 12:25 | 5 | Lamsfuss/Seidel v Tan/Zhou | W | 2-1 | |
| Arctic Open MD | 10/11 05:00 | - | Ahsan/Setiawan v Lamsfuss/Seidel | - | View | |
| Hong Kong Open 2019, MD | 09/15 03:35 | 3 | Carnando/Marthin v Lamsfuss/Seidel | L | 2-1 | |
| Hong Kong Open 2019, MD | 09/14 01:05 | 4 | Lamsfuss/Seidel v Chen/Liu | W | 2-1 | |
| Hong Kong Open 2019, MD | 09/13 05:20 | 5 | Lamsfuss/Seidel v Chow/Lui | W | 2-1 | |
| Fuzhou China Open 2019, MD | 09/05 09:45 | 5 | Lamsfuss/Seidel v Lee/Lee | L | 1-2 | |
| World Championships MD | 08/22 09:35 | 6 | Lamsfuss/Seidel v Popov/Popov | L | 0-2 | |
| European Games MD | 06/29 16:00 | - | Popov/Popov v Lamsfuss/Seidel | - | home |