| Asia Championships XD | 04/12 10:15 | 3 | Jiang/Wei v Watanabe/Higashino | L | 2-0 | |
| Asia Championships XD | 04/11 10:40 | 4 | Yang/Hu v Watanabe/Higashino | W | 0-2 | |
| Asia Championships XD | 04/10 15:35 | 5 | Kusharjanto/Kusumawati v Watanabe/Higashino | W | 0-2 | |
| All England Open - Mixdouble | 03/17 14:10 | 1 | Zheng/Huang v Watanabe/Higashino | L | 2-0 | |
| All England Open - Mixdouble | 03/16 17:00 | 2 | Tabeling/Piek v Watanabe/Higashino | W | 0-2 | |
| All England Open - Mixdouble | 03/15 17:00 | 3 | Kim/Jeong v Watanabe/Higashino | W | 0-2 | |
| All England Open - Mixdouble | 03/14 16:45 | 4 | Lee/Ng v Watanabe/Higashino | W | 0-2 | |
| All England Open - Mixdouble | 03/13 19:05 | 5 | Yamashita/Shinoya v Watanabe/Higashino | W | 0-2 | |
| French Open XD | 03/08 09:00 | 3 | Jiang/Wei v Watanabe/Higashino | L | 2-0 | |
| French Open XD | 03/07 11:10 | 4 | Midorikawa/Saito v Watanabe/Higashino | W | 0-2 | |
| French Open XD | 03/06 13:45 | 5 | Kusharjanto/Kusumawati v Watanabe/Higashino | W | 1-2 | |
| India Open - Mixdouble | 01/19 06:30 | 3 | Puavaranukroh/Taerattanachai v Watanabe/Higashino | L | 2-1 |