| Open de Suisse - Doubles Hommes | 2021/03/07 11:30 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 0-2 |
| European Team Championships MD | 2021/02/19 17:00 | Astrup/Rasmussen v Lamsfuss/Seidel | L | 0-2 |
| 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 |
| Championnat d'Europe - Doubles Hommes | 2021/04/30 15:00 | Astrup/Rasmussen v Popov/Popov | W | 2-1 |
| Championnat d'Europe - Doubles Hommes | 2021/04/29 09:40 | Astrup/Rasmussen v Beketov G / Makhnovskiy M | W | 2-0 |
| Open d'Angleterre - Double Mixtes | 2021/03/20 11:40 | Astrup/Rasmussen v Kamura T / Sonoda K | L | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/19 10:20 | Popov/Popov v Astrup/Rasmussen | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/18 12:20 | Rankireddy/Shetty v Astrup/Rasmussen | W | 1-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/17 14:10 | Astrup/Rasmussen v Klindt P I / Thoegersen M | W | 2-0 |
| Open de Suisse - Doubles Hommes | 2021/03/07 11:30 | Lamsfuss/Seidel v Astrup/Rasmussen | W | 0-2 |
| Open de Suisse - Doubles Hommes | 2021/03/06 12:30 | Astrup/Rasmussen v Rankireddy/Shetty | W | 2-0 |
| Championnat d'Europe - Doubles Hommes | 2021/04/30 15:40 | Lane/Vendy v Lamsfuss/Seidel | W | 1-2 |
| Championnat d'Europe - Doubles Hommes | 2021/04/29 10:40 | Lamsfuss/Seidel v Grimley/Grimley | W | 2-1 |
| Championnat d'Europe - Doubles Hommes | 2021/04/27 09:30 | Lamsfuss/Seidel v Jones A / Stewart A | W | 2-0 |
| Open d'Angleterre - Double Mixtes | 2021/03/17 16:40 | Lamsfuss/Seidel v Goh/Tan | L | 0-2 |
| Open de Suisse - Doubles Hommes | 2021/03/07 11:30 | Lamsfuss/Seidel v Astrup/Rasmussen | L | 0-2 |
| Open de Suisse - Doubles Hommes | 2021/03/06 11:45 | Chia/Soh v Lamsfuss/Seidel | W | 1-2 |
| Open de Suisse - Doubles Hommes | 2021/03/05 15:55 | Lamsfuss/Seidel v Phuangphuapet N / Viriyangkura T | W | 2-1 |
| Open de Suisse - Doubles Hommes | 2021/03/04 13:45 | Goh/Tan v Lamsfuss/Seidel | W | 0-2 |