| Open d'Angleterre - Double Mixtes | 2023/03/14 16:55 | Astrup/Rasmussen v Lamsfuss/Seidel | L | 2-1 |
| Open d'Inde - Doubles Hommes | 2023/01/19 04:10 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 2-1 |
| Hylo Open MD | 2022/11/04 12:20 | Lamsfuss/Seidel v Astrup/Rasmussen | L | 0-2 |
| Japan Open MD | 2022/09/01 01:15 | Astrup/Rasmussen v Lamsfuss/Seidel | L | 2-0 |
| World Championships MD | 2021/12/17 14:00 | Astrup/Rasmussen v Lamsfuss/Seidel | L | 2-1 |
| Thomas Cup - Hommes Doubles | 2021/10/11 17:20 | Astrup/Rasmussen v Lamsfuss/Seidel | W | 0-2 |
| Championnat d'Europe - Doubles Hommes | 2021/05/01 16:00 | Astrup/Rasmussen v Lamsfuss/Seidel | W | 0-2 |
| Open de Suisse - Doubles Hommes | 2021/03/07 11:30 | Lamsfuss/Seidel v Astrup/Rasmussen | L | 0-2 |
| Denmark Open MD | 2023/10/17 12:25 | Lamsfuss/Seidel v Tan/Zhou | W | 2-1 |
| Hong Kong Open 2019, MD | 2023/09/15 03:35 | Carnando/Marthin v Lamsfuss/Seidel | L | 2-1 |
| Hong Kong Open 2019, MD | 2023/09/14 01:05 | Lamsfuss/Seidel v Chen/Liu | W | 2-1 |
| Hong Kong Open 2019, MD | 2023/09/13 05:20 | Lamsfuss/Seidel v Chow/Lui | W | 2-1 |
| Fuzhou China Open 2019, MD | 2023/09/05 09:45 | Lamsfuss/Seidel v Lee/Lee | L | 1-2 |
| World Championships MD | 2023/08/22 09:35 | Lamsfuss/Seidel v Popov/Popov | L | 0-2 |
| European Games MD | 2023/06/29 16:00 | Popov/Popov v Lamsfuss/Seidel | - | home |
| European Games MD | 2023/06/28 15:20 | Lamsfuss/Seidel v Beketov G / Makhnovskiy M | W | 2-0 |
| Denmark Open MD | 2023/10/18 19:10 | Matsui/Takeuchi v Astrup/Rasmussen | W | 0-2 |
| Arctic Open MD | 2023/10/15 12:20 | Astrup/Rasmussen v Man/Tee | W | 2-0 |
| Arctic Open MD | 2023/10/14 16:10 | Ahsan/Setiawan v Astrup/Rasmussen | W | 0-2 |
| Arctic Open MD | 2023/10/13 19:10 | Astrup/Rasmussen v Lee / Wang | W | 2-1 |
| Arctic Open MD | 2023/10/12 11:45 | Astrup/Rasmussen v Goh/Izzuddin | W | 2-0 |
| Arctic Open MD | 2023/10/11 11:15 | Astrup/Rasmussen v Chen/Smith | W | 2-0 |
| Hong Kong Open 2019, MD | 2023/09/17 11:05 | Astrup/Rasmussen v Carnando/Marthin | W | 2-1 |
| Hong Kong Open 2019, MD | 2023/09/16 09:00 | Astrup/Rasmussen v Ahsan/Setiawan | W | 2-1 |