| Indonesia Int. MD | 10/23 12:40 | 5 | Higashino/Watanabe v Kusumawardana/Yacob | L | 0-2 | |
| French Open XD | 10/22 08:00 | 5 | Higashino/Watanabe v Alimov/Davletova | W | 2-1 | |
| Denmark Open - vegyes páros | 10/15 08:00 | 5 | Watanabe/Higashino v Gicquel/Delrue | L | 1-2 | |
| Korean Open XD | 09/27 06:20 | 3 | Watanabe/Higashino v Seo/Chae | L | 0-2 | |
| Korean Open XD | 09/26 01:00 | 4 | Watanabe/Higashino v Lu/Chen | W | 2-0 | |
| Korean Open XD | 09/24 07:00 | 5 | Watanabe/Higashino v Chang/Ng | W | 2-0 | |
| Kínai Open - vegyespáros | 09/20 03:00 | 3 | Watanabe/Higashino v Seo/Chae | L | 0-2 | |
| Kínai Open - vegyespáros | 09/19 05:00 | 4 | Watanabe/Higashino v He/Du | W | 2-0 | |
| Kínai Open - vegyespáros | 09/17 07:15 | 5 | Watanabe/Higashino v Tang/Suet TSE | W | 2-1 | |
| Világbajnokság - vegyespáros | 08/24 10:20 | 2 | Zheng/Huang v Watanabe/Higashino | L | 2-0 | |
| Világbajnokság - vegyespáros | 08/23 09:00 | 3 | Watanabe/Higashino v Chan/Goh | W | 2-1 | |
| Világbajnokság - vegyespáros | 08/22 09:00 | 4 | Watanabe/Higashino v Adcock/Adcock | W | 2-0 | |
| Világbajnokság - vegyespáros | 08/20 10:20 | 5 | Watanabe/Higashino v Rivaldy/Mentari | W | 2-1 | |
| Thailand Open - vegyes páros | 08/04 07:30 | 1 | Watanabe/Higashino v Wang/Huang | L | 0-2 | |
| Thailand Open - vegyes páros | 08/03 07:40 | 2 | Tang/Tse v Watanabe/Higashino | W | 0-2 | |
| Thailand Open - vegyes páros | 08/02 09:15 | 3 | Watanabe/Higashino v Rankireddy/Ponnappa | W | 2-0 | |
| Thailand Open - vegyes páros | 08/01 11:40 | 4 | Watanabe/Higashino v Lee/Yang | W | 2-0 | |
| Thailand Open - vegyes páros | 07/31 10:50 | 5 | Watanabe/Higashino v Labar/Tran | W | 2-0 | |
| Japan Open - vegyespáros | 07/26 01:00 | 3 | Chan/Goh v Watanabe/Higashino | L | 2-0 | |
| Japan Open - vegyespáros | 07/25 01:20 | 4 | Christiansen/Boje v Watanabe/Higashino | W | 0-2 | |
| Japan Open - vegyespáros | 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 - vegyespáros | 07/16 02:40 | 5 | Watanabe/Higashino v Adcock/Adcock | - | Retired | |
| Australian Open - vegyespáros | 06/08 03:30 | 2 | Jordan/Oktavianti v Watanabe/Higashino | L | 2-1 | |
| Australian Open - vegyespáros | 06/07 05:00 | 3 | Ko/Eom v Watanabe/Higashino | W | 1-2 | |
| Australian Open - vegyespáros | 06/06 04:30 | 4 | Lee/Yang v Watanabe/Higashino | W | 0-2 | |
| Australian Open - vegyespáros | 06/04 07:30 | 5 | Fogarty/Zhong v Watanabe/Higashino | W | 0-2 | |
| Sudirman Cup - vegyespáros | 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 |