| European Team Championships MD | 2020/02/14 14:30 | Astrup/Rasmussen v Lamsfuss/Seidel | W | 2-0 |
| Hong Kong Open 2019, MD | 2019/11/13 07:55 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 1-2 |
| Open d'Angleterre | 2018/09/20 08:10 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 0-2 |
| Open d'Angleterre | 2017/09/13 05:10 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 1-2 |
| Open de Thaïlande - Doubles Hommes | 2021/01/19 04:50 | Astrup/Rasmussen v Carnando/Marthin | L | 1-2 |
| Open de Thaïlande - Doubles Hommes | 2021/01/13 05:30 | Astrup/Rasmussen v Lee / Wang | L | 0-2 |
| Denmark Open MD | 2020/10/15 07:00 | Astrup/Rasmussen v Eipe J / Kjaer R | L | 1-2 |
| Denmark Open MD | 2020/10/13 15:00 | Astrup/Rasmussen v Ho-Shue J A / Yakura N | W | 2-0 |
| Open d'Angleterre - Double Mixtes | 2020/03/11 16:40 | Astrup/Rasmussen v Lu/Yang | L | 1-2 |
| Masters d'Espagne - Doubles Hommes | 2020/02/23 10:20 | Lee / Wang v Astrup/Rasmussen | W | 0-2 |
| Masters d'Espagne - Doubles Hommes | 2020/02/22 11:40 | Astrup/Rasmussen v Chia/Soh | W | 2-0 |
| Masters d'Espagne - Doubles Hommes | 2020/02/21 16:00 | Lee/Yang v Astrup/Rasmussen | W | 0-2 |
| European Team Championships MD | 2021/02/17 16:40 | Kolding/Rasmussen v Lamsfuss/Seidel | W | 1-2 |
| European Team Championships MD | 2021/02/16 17:00 | Grimley/Hall v Lamsfuss/Seidel | W | 0-2 |
| Open de Thaïlande - Doubles Hommes | 2021/01/22 05:00 | Lee / Wang v Lamsfuss/Seidel | L | 2-0 |
| Open de Thaïlande - Doubles Hommes | 2021/01/21 08:30 | Fikri/Maulana v Lamsfuss/Seidel | W | 0-2 |
| Open de Thaïlande - Doubles Hommes | 2021/01/20 07:25 | Lamsfuss/Seidel v Gaterahong/Tulamok | W | 2-0 |
| Open de Thaïlande - Doubles Hommes | 2021/01/13 05:00 | Jomkoh/Kedren v Lamsfuss/Seidel | L | 2-0 |
| SaarLorLux Open 2019, MD | 2020/10/27 18:00 | van Der Lecq T / Jille D v Lamsfuss/Seidel | L | 2-1 |
| Denmark Open MD | 2020/10/15 12:05 | Lane/Vendy v Lamsfuss/Seidel | L | 2-0 |