| California Int. Women | 03/10 17:50 | 3 | Watanabe/Higashino v Seong Yoo/Kim | W | 2-1 | |
| California Int. Women | 03/09 17:10 | 4 | Watanabe/Higashino v Mateusiak/Zieba | W | 2-0 | |
| California Int. Women | 03/08 21:06 | - | Susanto/Jordan v Watanabe/Higashino | W | 1-2 | |
| California Int. Women | 03/08 19:00 | 5 | Jordan/Susanto v Watanabe/Higashino | W | 1-2 | |
| All England Open | 03/01 10:15 | 5 | Wang/Hsin Lee v Watanabe/Higashino | L | 2-0 | |
| All England Open | 02/18 06:25 | - | Chen/Zhang v Higashino/Watanabe | L | 2-0 | |
| All England Open | 02/17 09:21 | - | Edi/Saufika v Higashino/Watanabe | W | 0-2 | |
| All England Open | 02/16 15:45 | - | Higashino/Watanabe v Ami'pai/Puava'kroh | L | 1-2 | |
| All England Open | 12/08 04:20 | 4 | Watanabe/Higashino v Kang/Eom | L | 0-2 | |
| All England Open | 12/07 05:20 | 5 | Higashino/Watanabe v Young Bae/Kong | W | 2-0 | |
| California Int. Women | 11/24 07:00 | 4 | Ahmad/Natsir v Watanabe/Higashino | L | 2-1 | |
| California Int. Women | 11/22 11:30 | 5 | Watanabe/Higashino v Tam/Ng | W | 2-0 | |
| California Int. Women | 11/18 10:30 | 3 | Ko/Kim v Watanabe/Higashino | L | 2-0 | |
| California Int. Women | 11/17 03:30 | 4 | Adcock/Adcock v Watanabe/Higashino | W | 0-2 | |
| California Int. Women | 11/15 08:00 | 5 | Higashino/Watanabe v Lee/Chau | W | 2-0 | |
| All England Open | 09/27 03:20 | 5 | Watanabe/Higashino v Young Bae/Yong Kong | - | Walkover | |
| All England Open | 09/22 06:50 | 4 | Watanabe/Higashino v Lu/Huang | L | 0-2 | |
| All England Open | 09/21 01:45 | 5 | Isara/Amitrapai v Watanabe/Higashino | W | 1-2 | |
| All England Open | 09/21 01:43 | - | Amitrapai/Isara v Watanabe/Higashino | W | 1-2 |