| Indonesia Masters - Mixed double | 2018/09/27 03:50 | Kim/Baek v Watanabe/Higashino | W | 0-2 |
| 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 |
| Denmark Open - Mixed double | 2018/10/18 08:20 | Watanabe/Higashino v Chan/Goh | L | 0-2 |
| Denmark Open - Mixed double | 2018/10/16 07:00 | Watanabe/Higashino v He/Du | W | 2-1 |
| All England Open | 2018/11/08 05:40 | Kim/Baek v Ou/Feng | W | 2-0 |
| All England Open | 2018/11/07 04:45 | Lu/Chen v Kim/Baek | W | 1-2 |
| Indonesia Masters - Mixed double | 2018/09/27 03:50 | Kim/Baek v Watanabe/Higashino | L | 0-2 |
| Indonesia Masters - Mixed double | 2018/09/25 07:40 | Seidel/Efler v Kim/Baek | W | 1-2 |