| Indonesia Masters MD | 2019/10/05 05:30 | Koga/Saito v Angriawan/Hardianto | W | 2-0 |
| Indonesia Masters MD | 2019/10/04 08:50 | Dong/Guo v Koga/Saito | W | 0-2 |
| Indonesia Masters MD | 2019/10/03 08:45 | Chia/Man v Koga/Saito | W | 1-2 |
| Indonesia Masters MD | 2019/10/02 07:10 | Ferdinansyah/Saputra v Koga/Saito | W | 0-2 |
| Chinese Taipei Open MD | 2019/09/06 09:30 | Koga/Saito v Wang/Lee | L | 0-2 |
| Chinese Taipei Open MD | 2019/09/05 08:25 | Koga/Saito v Lee/Lee | W | 2-0 |
| Chinese Taipei Open MD | 2019/09/04 13:20 | Okamura/Onodera v Koga/Saito | W | 1-2 |
| Akita Masters MD | 2019/08/18 04:20 | Koga/Saito v Ou/Zhang | L | 0-2 |