| Korea Open MD | 09/25 12:30 | 4 | Alfian/Fikri v Mitsuhashi/Okamura | L | 2-0 | |
| Korea Open MD | 09/23 09:45 | 5 | Mitsuhashi/Okamura v Liang/Wang | W | 2-1 | |
| China Masters MD | 09/17 11:10 | 5 | Mitsuhashi/Okamura v Carnando/Maulana | L | 1-2 | |
| Hong Kong Open MD | 09/10 05:50 | 5 | Mitsuhashi/Okamura v Sukphun/Teeraratsakul | L | 0-2 | |
| World Championships MD | 08/25 07:00 | 6 | Mitsuhashi/Okamura v Junaidi Arif/Yap | L | 0-2 | |
| China Open MD | 07/23 04:30 | 5 | Rankireddy/Shetty v Mitsuhashi/Okamura | L | 2-0 | |
| Japan Open MD | 07/16 11:05 | 5 | Mitsuhashi/Okamura v Chen/Smith | L | 1-2 | |
| Indonesia Open MD | 06/04 13:50 | 5 | Nomura/Shimogami v Mitsuhashi/Okamura | L | 2-1 | |
| Singapore Open MD | 05/27 07:30 | 5 | Liang/Wang v Mitsuhashi/Okamura | L | 2-1 | |
| Asia Championships MD | 04/09 09:10 | 5 | Mitsuhashi/Okamura v Chia/Soh | L | 0-2 | |
| All England Open MD | 03/11 15:55 | 5 | Lee/Yang v Mitsuhashi/Okamura | L | 2-1 | |
| India Open MD | 01/16 11:30 | 4 | Rankireddy/Shetty v Mitsuhashi/Okamura | L | 2-1 |