| Open d'Angleterre - Double Mixtes | 2021/03/18 13:00 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 |
| Japan Open XD | 2019/07/25 01:20 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/21 11:20 | Kaneko Y / Matsutomo M v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/20 12:40 | Ellis/Smith v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/19 14:20 | Lai/Tan v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/18 13:00 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/17 17:40 | Labar R / Tran A v Watanabe/Higashino | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2020/03/12 11:30 | Ellis/Smith v Watanabe/Higashino | L | 2-0 |
| Open d'Angleterre - Double Mixtes | 2020/03/11 09:20 | Ko S H / Eom H W v Watanabe/Higashino | W | 0-2 |
| World Tour Finals XD | 2019/12/14 03:00 | Zheng/Huang v Watanabe/Higashino | L | 2-1 |
| Championnat d'Europe - Doubles Mixtes | 2021/05/01 14:00 | Ellis/Smith v Christiansen/Boje | L | 2-0 |
| Championnat d'Europe - Doubles Mixtes | 2021/04/30 08:00 | Christiansen/Boje v Labar R / Tran A | W | 2-1 |
| Championnat d'Europe - Doubles Mixtes | 2021/04/29 07:00 | Christiansen/Boje v Smilowski P / Swierczynska M | W | 2-0 |
| Orléans Masters - Doubles Mixtes | 2021/03/28 10:20 | Nohr/Magelund v Christiansen/Boje | W | 0-2 |
| Orléans Masters - Doubles Mixtes | 2021/03/27 11:10 | Christiansen/Boje v Sumanti Z J / Julimarbela H | W | 2-1 |
| Orléans Masters - Doubles Mixtes | 2021/03/26 12:50 | Christiansen/Boje v Thyrri M / Surrow M | W | 2-1 |
| Orléans Masters - Doubles Mixtes | 2021/03/25 16:10 | Jansen J R / Ostermeyer K v Christiansen/Boje | W | 0-2 |
| Open d'Angleterre - Double Mixtes | 2021/03/18 13:00 | Christiansen/Boje v Watanabe/Higashino | L | 0-2 |