| Canada Open XD | 07/07 18:10 | 3 | Watanabe/Higashino v Lee/Ching Hsu | L | 0-2 | |
| Canada Open XD | 07/06 22:45 | 4 | Watanabe/Higashino v Voelker/Kuespert | W | 2-0 | |
| Canada Open XD | 07/05 19:05 | 5 | Watanabe/Higashino v Lindeman/Wu | W | 2-0 | |
| Indonesia Open XD | 06/18 05:00 | 1 | Zheng/Huang v Watanabe/Higashino | L | 2-0 | |
| Indonesia Open XD | 06/17 06:50 | 2 | Tang/Tse v Watanabe/Higashino | W | 1-2 | |
| Indonesia Open XD | 06/16 07:15 | 3 | Rivaldy/Mentari v Watanabe/Higashino | W | 0-2 | |
| Indonesia Open XD | 06/15 03:45 | 4 | Lee/Ng v Watanabe/Higashino | W | 1-2 | |
| Indonesia Open XD | 06/14 02:00 | 5 | Jomkoh/Paewsampran v Watanabe/Higashino | W | 1-2 | |
| Singapore Open XD | 06/11 07:55 | 1 | Christiansen/Bøje v Watanabe/Higashino | L | 2-1 | |
| Singapore Open XD | 06/10 09:00 | 2 | Chen/Toh v Watanabe/Higashino | W | 0-2 | |
| Singapore Open XD | 06/09 09:25 | 3 | Feng/Huang v Watanabe/Higashino | W | 1-2 | |
| Singapore Open XD | 06/08 10:10 | 4 | Rivaldy/Mentari v Watanabe/Higashino | W | 1-2 | |
| Singapore Open XD | 06/07 03:30 | 5 | Eom/Hyun Ko v Watanabe/Higashino | W | 0-2 | |
| Sudirman Cup XD | 05/17 09:00 | - | Watanabe/Higashino v Kim/Jeong | L | 1-2 | |
| Sudirman Cup XD | 05/15 09:00 | - | Watanabe/Higashino v Gicquel/Delrue | L | 0-2 | |
| All England Open XD | 03/16 14:55 | 4 | Kim/Jeong v Watanabe/Higashino | - | Retired | |
| All England Open XD | 03/15 12:00 | 5 | Tang/Tse v Watanabe/Higashino | W | 0-2 | |
| German Open XD | 03/09 12:00 | 4 | Watanabe/Higashino v Kim/Jeong | L | 0-2 | |
| German Open XD | 03/07 16:00 | 5 | Watanabe/Higashino v Hyun Ko/Eom | W | 2-1 | |
| India Open XD | 01/22 06:30 | 1 | Watanabe/Higashino v Wang/Huang | - | Walkover | |
| India Open XD | 01/21 07:10 | 2 | Zheng/Huang v Watanabe/Higashino | W | 1-2 | |
| India Open XD | 01/20 06:50 | 3 | Watanabe/Higashino v Seo/Chae | W | 2-0 | |
| India Open XD | 01/19 06:50 | 4 | Watanabe/Higashino v Kaneko/Matsutomo | W | 2-0 | |
| India Open XD | 01/18 09:30 | 5 | Higashino/Watanabe v Hee/Tan | W | 2-0 | |
| Malaysia Open XD | 01/15 05:00 | 1 | Zheng/Huang v Watanabe/Higashino | L | 2-0 | |
| Malaysia Open XD | 01/14 04:00 | 2 | Watanabe/Higashino v Puavaranukroh/Taerattanachai | W | 2-0 | |
| Malaysia Open XD | 01/13 01:20 | 3 | Seo/Chae v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open XD | 01/12 02:50 | 4 | Kaneko/Matsutomo v Watanabe/Higashino | W | 0-2 | |
| Malaysia Open XD | 01/11 02:50 | 5 | Mairs/Moore v Watanabe/Higashino | W | 0-2 | |
| Denmark Open XD | 10/21 10:20 | 3 | Goh/Lai v Watanabe/Higashino | L | 2-0 |