| All England Open | 2018/11/10 05:00 | Watanabe/Higashino v Huang/Wang | L | 0-2 |
| All England Open | 2018/11/09 06:00 | Watanabe/Higashino v Kim/Baek | W | 2-0 |
| All England Open | 2018/11/08 04:50 | Hoki/Nagahara v Watanabe/Higashino | W | 0-2 |
| All England Open | 2018/11/07 04:45 | Lee/Ching Hsu v Watanabe/Higashino | W | 0-2 |
| French Open XD | 2018/10/27 09:00 | Zheng/Huang v Watanabe/Higashino | L | 2-0 |
| French Open XD | 2018/10/26 14:15 | Ahmad/Natsir v Watanabe/Higashino | W | 1-2 |
| French Open XD | 2018/10/25 16:30 | Seinen/Tabeling v Watanabe/Higashino | W | 0-2 |
| French Open XD | 2018/10/24 13:30 | Lee/Chau v Watanabe/Higashino | W | 0-2 |