| 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 | |
| India Open - Mixdouble | 01/18 07:50 | 4 | Thyrri/Magelund v Watanabe/Higashino | W | 0-2 | |
| India Open - Mixdouble | 01/17 05:45 | 5 | Lai/Tan v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open - Mixdouble | 01/14 05:00 | 1 | Kim/Jeong v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open - Mixdouble | 01/13 06:15 | 2 | Jiang/Wei v Watanabe/Higashino | W | 1-2 | |
| Malaysia Open - Mixdouble | 01/12 02:55 | 3 | Midorikawa/Saito v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open - Mixdouble | 01/11 03:00 | 4 | Thyrri/Magelund v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open - Mixdouble | 01/10 01:50 | 5 | Tang/Tse v Watanabe/Higashino | W | 0-2 | |
| World Tour Finals - Mixdouble | 12/16 14:10 | 2 | Feng/Huang v Watanabe/Higashino | L | 2-0 | |
| World Tour Finals - Mixdouble | 12/15 14:35 | 1 | Feng/Huang v Watanabe/Higashino | L | 2-1 | |
| World Tour Finals - Mixdouble | 12/14 11:10 | 1 | Watanabe/Higashino v Chen/Toh | L | 1-2 | |
| World Tour Finals - Mixdouble | 12/13 11:10 | 1 | Watanabe/Higashino v Puavaranukroh/Taerattanachai | W | 2-0 | |
| China Masters XD | 11/22 04:20 | 5 | Hsin Lee/Ye v Watanabe/Higashino | L | 2-0 | |
| Japan Masters - Mixdouble | 11/18 04:30 | - | Feng/Huang v Watanabe/Higashino | L | 2-1 | |
| Japan Masters - Mixdouble | 11/17 02:35 | - | Tan/Lai v Watanabe/Higashino | W | 0-2 | |
| Japan Masters - Mixdouble | 11/16 00:00 | - | Ye/Hsin Lee v Watanabe/Higashino | W | 0-2 | |
| Japan Masters - Mixdouble | 11/15 04:45 | 5 | Lamsfuss/Lohau v Watanabe/Higashino | W | 0-2 | |
| French Open XD | 10/28 09:25 | 2 | Tang/Tse v Watanabe/Higashino | L | 2-0 | |
| French Open XD | 10/27 16:40 | 3 | Hee/Tan v Watanabe/Higashino | W | 0-2 |