| Indonesia Masters MD | 10/03 08:45 | 4 | Chia/Man v Koga/Saito | W | 1-2 | |
| Indonesia Masters MD | 10/02 07:10 | 5 | Ferdinansyah/Saputra v Koga/Saito | W | 0-2 | |
| Chinese Taipei Open MD | 09/06 09:30 | 3 | Koga/Saito v Lee/Wang | L | 0-2 | |
| Chinese Taipei Open MD | 09/05 08:25 | 4 | Koga/Saito v Lee/Lee | W | 2-0 | |
| Chinese Taipei Open MD | 09/04 13:20 | 5 | Okamura/Onodera v Koga/Saito | W | 1-2 | |
| Akita Masters MD | 08/18 04:20 | 1 | Koga/Saito v Ou/Zhang | L | 0-2 | |
| Akita Masters MD | 08/17 05:00 | 2 | Koga/Saito v Huang/Liu | W | 2-1 | |
| Akita Masters MD | 08/16 03:45 | 3 | Koga/Saito v Kang/Hwan Kim | W | 2-0 | |
| Akita Masters MD | 08/15 00:55 | 4 | Koga/Saito v Mitsuhashi/Ogura | W | 2-0 | |
| Akita Masters MD | 08/14 01:20 | 5 | Koga/Saito v Lam/Wong | W | 2-0 | |
| US Open MD | 07/11 20:40 | 4 | Ko/Shin v Koga/Saito | L | 2-1 | |
| US Open MD | 07/10 20:30 | 5 | Arends/Jille v Koga/Saito | W | 1-2 | |
| Canada Open MD | 07/05 03:00 | 4 | Ko/Shin v Koga/Saito | L | 2-0 | |
| Canada Open MD | 07/03 15:40 | 5 | Koga/Saito v Leung/Wheller | W | 2-1 | |
| Australian Open MD | 06/06 05:15 | 4 | Koga/Saito v Liao/Su | L | 0-2 | |
| Australian Open MD | 06/05 05:10 | 5 | Okamura/Onodera v Koga/Saito | W | 1-2 | |
| Australian Open MD Qual | 06/04 00:00 | - | Chang/Yeung v Koga/Saito | W | 1-2 | |
| New Zealand Open MD | 05/02 07:40 | 4 | Sonoda/Kamura v Koga/Saito | L | 2-0 | |
| New Zealand Open MD | 04/30 21:00 | 5 | Koga/Saito v Goh/Izzuddin | W | 2-1 | |
| Osaka Int. MD | 04/05 05:15 | - | Ko/Shin v Koga/Saito | L | 2-1 | |
| Osaka Int. MD | 04/05 00:00 | - | Koga/Saito v Choong/Man | W | 2-0 | |
| Osaka Int. MD | 04/04 03:20 | - | Koga/Saito v Maulana/Prihardika | W | 2-1 | |
| Orleans Masters MD | 03/24 13:00 | 1 | Koga/Saito v Lee/Wang | L | 1-2 | |
| Orleans Masters MD | 03/23 14:30 | 2 | Koga/Saito v Lee/Lu | W | 2-0 | |
| Orleans Masters MD | 03/22 17:45 | 3 | Chang/Lee v Koga/Saito | W | 0-2 | |
| Orleans Masters MD | 03/21 14:30 | 4 | Koga/Saito v Hemming/Wolfenden | W | 2-0 | |
| Orleans Masters MD | 03/20 09:30 | 5 | Koga/Saito v Dwicahyo/Qowimuramadhoni | W | 2-0 | |
| Swiss Open MD | 03/13 09:40 | 5 | Koga/Saito v Angriawan/Hardianto | L | 1-2 | |
| Thailand Masters MD | 01/12 07:30 | 2 | Goh/Tan v Koga/Saito | L | 2-0 | |
| Thailand Masters MD | 01/11 12:00 | 3 | Saito/Koga v Di/Wang | W | 2-1 |