| Thomas Cup - Herredouble | 05/02 11:50 | - | Koga/Saito v Goh/Izzuddin | L | 1-2 | |
| Thomas Cup - Herredouble | 05/01 12:35 | - | Koga/Saito v Yang Lee/Ye | W | 2-0 | |
| Thomas Cup - Herredouble | 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 - Herredouble | 03/14 18:05 | 4 | Koga/Saito v Alfian/Ardianto | L | 1-2 | |
| All England Open - Herredouble | 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 | - | CANC | |
| Thailand Masters - Herredouble | 02/02 07:15 | 3 | Sukphun/Teeraratsakul v Koga/Saito | L | 2-1 | |
| Thailand Masters - Herredouble | 02/01 08:30 | 4 | Koga/Saito v Chang/Po | W | 2-0 | |
| Thailand Masters - Herredouble | 01/30 08:50 | 5 | Koga/Saito v Lin/Su | W | 2-0 | |
| Indonesia Masters - Herredouble | 01/25 09:55 | 4 | Fikri/Maulana v Koga/Saito | L | 2-0 | |
| Indonesia Masters - Herredouble | 01/23 13:40 | 5 | Koga/Saito v Lu/Yang | W | 2-1 |