| Thomas Cup MD | 05/02 11:50 | - | Koga/Saito v Goh/Izzuddin | L | 1-2 | |
| Thomas Cup MD | 05/01 12:35 | - | Koga/Saito v Yang Lee/Ye | W | 2-0 | |
| Thomas Cup MD | 04/28 02:45 | - | Koga/Saito v Kral/Mendrek | W | 2-0 | |
| Asia Championships MD | 04/10 05:20 | 5 | Yang Lee/Wang v Koga/Saito | L | 2-0 | |
| All England Open MD | 03/14 18:05 | 4 | Koga/Saito v Alfian/Ardianto | L | 1-2 | |
| All England Open MD | 03/13 18:25 | 5 | Koga/Saito v Man/Tee | W | 2-0 | |
| French Open MD | 03/05 09:00 | 5 | Jomkoh/Kedren v Koga/Saito | - | Cancelled | |
| Thailand Masters MD | 02/02 07:15 | 3 | Sukphun/Teeraratsakul v Koga/Saito | L | 2-1 | |
| Thailand Masters MD | 02/01 08:30 | 4 | Koga/Saito v Chang/Po | W | 2-0 | |
| Thailand Masters MD | 01/30 08:50 | 5 | Koga/Saito v Lin/Su | W | 2-0 | |
| Indonesia Masters MD | 01/25 09:55 | 4 | Fikri/Maulana v Koga/Saito | L | 2-0 | |
| Indonesia Masters MD | 01/23 13:40 | 5 | Koga/Saito v Lu/Yang | W | 2-1 | |
| India Open MD | 01/17 09:30 | 5 | Saito/Koga v Chia/Soh | L | 1-2 | |
| Malaysia Open MD | 01/10 07:55 | 5 | Koga/Saito v Ahsan/Setiawan | L | 0-2 | |
| Syed Modi India Int. MD | 12/03 12:55 | 1 | Koga/Saito v Choong/Haikal | L | 1-2 | |
| Syed Modi India Int. MD | 12/02 17:00 | 2 | Koga/Saito v Kjaer/Sogaard | W | 2-1 | |
| Syed Modi India Int. MD | 12/01 13:25 | - | Koga/Saito v Boe/Faust Kjaer | W | 2-0 | |
| Syed Modi India Int. MD | 11/30 09:35 | - | Koga/Saito v Makhija/Prasad | W | 2-0 | |
| Syed Modi India Int. MD | 11/29 06:05 | - | Koga/Saito v Boon/Goh | W | 2-0 | |
| China Masters MD | 11/23 01:55 | 4 | Rankireddy/Shetty v Koga/Saito | L | 2-0 | |
| China Masters MD | 11/21 01:00 | 5 | Goh/Izzuddin v Koga/Saito | W | 1-2 | |
| Japan Masters MD | 11/17 04:05 | - | Koga/Saito v Liu/Ou | L | 0-2 | |
| Japan Masters MD | 11/16 07:45 | - | Chia/Soh v Koga/Saito | W | 0-2 | |
| Japan Masters MD | 11/14 06:35 | 5 | Koga/Saito v Fikri/Maulana | W | 2-0 | |
| French Open MD | 10/24 13:10 | 5 | Astrup/Rasmussen v Koga/Saito | L | 2-0 | |
| Denmark Open MD | 10/19 16:20 | 4 | Koga/Saito v Ong/Teo | L | 0-2 | |
| Denmark Open MD | 10/18 07:45 | 5 | Koga/Saito v Man/Tee | W | 2-0 | |
| China Open MD | 09/07 05:35 | 4 | Liang/Wang v Koga/Saito | L | 2-0 | |
| China Open MD | 09/05 06:35 | 5 | Dunn/Hall v Koga/Saito | W | 0-2 | |
| World Championships MD | 08/23 15:55 | 5 | Lee/Wang v Koga/Saito | L | 2-0 |