| Dutch Open XD | 2019/10/08 16:20 | Jansen J R / Ostermeyer K v Christiansen/Boje | W | 1-2 |
| Vietnam Open XD | 2019/09/11 01:50 | Urai T / Miyaura R v Christiansen/Boje | L | 2-0 |
| Chinese Taipei Open 2019, XD | 2019/09/04 04:10 | Mentari/Rivaldy v Christiansen/Boje | L | 2-1 |
| Chinese Taipei Open XD Qual | 2019/09/03 03:30 | Lu C P / Liang C W v Christiansen/Boje | W | 0-2 |
| Hyderabad Open 2019, XD | 2019/08/10 09:50 | Maulana / Bandaso v Christiansen/Boje | L | 2-1 |
| Hyderabad Open 2019, XD | 2019/08/09 12:10 | Kusharjanto/Kusumawati v Christiansen/Boje | W | 1-2 |
| Hyderabad Open 2019, XD | 2019/08/08 13:10 | Christiansen/Boje v Na S S / Jang E S | W | 2-1 |
| Hyderabad Open 2019, XD | 2019/08/08 05:45 | Man W C / Tan P K L v Christiansen/Boje | W | 0-2 |
| Dutch Open XD | 2019/10/08 17:00 | Dremin E / Dimova E v Lamsfuss M / Herttrich I | W | 0-2 |
| Fuzhou China Open 2019, XD | 2019/09/19 03:40 | Lamsfuss M / Herttrich I v Puavaranukroh/Taerattanachai | L | 1-2 |
| Fuzhou China Open 2019, XD | 2019/09/18 04:15 | Lamsfuss M / Herttrich I v Chopra P J / Reddy N S | W | 2-0 |
| Vietnam Open XD | 2019/09/12 11:20 | Lamsfuss M / Herttrich I v Karandas. / Bernadet | L | 1-2 |
| Vietnam Open XD | 2019/09/11 01:00 | Lamsfuss M / Herttrich I v Lu/Yang | W | 2-1 |
| World Championships XD | 2019/08/20 10:20 | Zheng/Huang v Lamsfuss M / Herttrich I | L | 2-1 |
| World Championships XD | 2019/08/19 11:00 | Lamsfuss M / Herttrich I v Schaller / Burkart | W | 2-0 |
| Open de Thaïlande - Doubles Mixtes | 2019/07/31 13:30 | Mentari/Rivaldy v Lamsfuss M / Herttrich I | L | 2-1 |