| Japan Open XD | 07/24 02:30 | 5 | Chae/Seo v Watanabe/Higashino | W | 0-2 | |
| Russia Open MD | 07/17 05:20 | 5 | Higashino/Watanabe v Kusumawardana/Yacob | L | 1-2 | |
| Indonesia Open XD | 07/16 02:40 | 5 | Watanabe/Higashino v Adcock/Adcock | - | Retired | |
| Australian Open XD | 06/08 03:30 | 2 | Jordan/Oktavianti v Watanabe/Higashino | L | 2-1 | |
| Australian Open XD | 06/07 05:00 | 3 | Ko/Eom v Watanabe/Higashino | W | 1-2 | |
| Australian Open XD | 06/06 04:30 | 4 | Lee/Yang v Watanabe/Higashino | W | 0-2 | |
| Australian Open XD | 06/04 07:30 | 5 | Fogarty/Zhong v Watanabe/Higashino | W | 0-2 | |
| Sudirman Cup XD | 05/22 12:00 | - | Watanabe/Higashino v Puavaranukroh/Amitrapai | W | 2-0 | |
| Asia Championships XD | 04/26 11:00 | 3 | Watanabe/Higashino v He/Du | - | Retired | |
| Asia Championships XD | 04/25 05:45 | 4 | Watanabe/Higashino v Rivaldy/Mentari | W | 2-1 | |
| Asia Championships XD | 04/23 06:20 | 1 | Watanabe/Higashino v Phuangphuapet/Amitrapai | W | 2-0 | |
| Singapore Open XD | 04/10 07:20 | 5 | Tan/Lai v Watanabe/Higashino | L | 2-1 | |
| Osaka Int. MD | 04/05 00:40 | - | Higashino/Watanabe v Kang/Kim | L | 1-2 | |
| Malaysia Open XD | 04/02 09:30 | 5 | Tan/Lai v Watanabe/Higashino | L | 2-0 | |
| Tong Yun Kai Cup XD | 03/24 06:00 | - | Watanabe/Higashino v He/Du | L | 0-2 | |
| Tong Yun Kai Cup XD | 03/21 13:00 | - | Watanabe/Higashino v Mak/Chau | W | 2-0 | |
| Tong Yun Kai Cup XD | 03/21 13:00 | - | Higashino/Watanabe v Chau/Mak | W | 2-0 | |
| All England Open | 03/10 13:30 | 1 | Zheng/Huang v Watanabe/Higashino | L | 2-0 | |
| All England Open | 03/09 10:30 | 2 | Watanabe/Higashino v Goh/Lai | W | 2-0 | |
| All England Open | 03/08 10:30 | 3 | Ahmad/Kandow v Watanabe/Higashino | W | 0-2 | |
| All England Open | 03/07 13:20 | 4 | Lu/Chen v Watanabe/Higashino | W | 1-2 | |
| All England Open | 03/06 18:45 | 5 | Christiansen/Pedersen v Watanabe/Higashino | W | 1-2 | |
| German Open XD | 03/01 19:40 | 3 | Watanabe/Higashino v Tabeling/Piek | L | 1-2 | |
| German Open XD | 02/28 19:30 | 4 | Watanabe/Higashino v Mikkelsen/Surrow | W | 2-0 | |
| German Open XD | 02/26 18:15 | 5 | Watanabe/Higashino v Ph'pet/Amitrapai | W | 2-0 | |
| Indonesia Masters XD | 01/26 07:30 | 2 | Zheng/Huang v Watanabe/Higashino | L | 2-1 | |
| Indonesia Masters XD | 01/25 09:53 | - | Watanabe/Higashino v Lu/Chen | W | 2-0 | |
| Indonesia Masters XD | 01/25 07:50 | 3 | Watanabe/Higashino v Kai/Lu | W | 2-0 | |
| Indonesia Masters XD | 01/24 03:40 | 4 | Watanabe/Higashino v Lamsfuss/Herttrich | W | 2-0 | |
| Indonesia Masters XD | 01/23 02:50 | 5 | Watanabe/Higashino v Lu/Hsin Lee | W | 2-0 |