| Franska öppna Mixed dubbel | 2021/10/31 14:00 | Watanabe/Higashino v Christiansen/Boje | W | 2-0 |
| OS 2020 - Mixed dubbel | 2021/07/24 00:00 | Watanabe/Higashino v Christiansen/Boje | W | 2-1 |
| All England Open - Mixed dubbel | 2021/03/18 13:00 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 |
| Japan Open - Mixed dubbel | 2019/07/25 01:20 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 |