| Czech Open WD | 2019/08/22 09:40 | Kihara/Nagasaki v Gu/Mu | L | 2-3 |
| Bulgaria Open WD | 2019/08/16 08:10 | Hirano/Shibata v Kihara/Nagasaki | L | 3-1 |
| Bulgaria Open WD | 2019/08/15 08:20 | Bogdanova/Trigolos v Kihara/Nagasaki | W | 0-3 |
| Australian Open WD | 2019/07/12 05:40 | Chen/Wang v Kihara/Nagasaki | L | 3-0 |
| Australian Open WD | 2019/07/12 01:20 | Jee/Lay v Kihara/Nagasaki | W | 0-3 |
| Australian Open WD | 2019/07/11 01:20 | Kihara/Nagasaki v Balazova/Matelova | W | 3-1 |
| Japan Open WD | 2019/06/15 02:00 | Sun/Wang v Kihara/Nagasaki | L | 3-2 |
| Japan Open WD | 2019/06/14 06:50 | Kihara/Nagasaki v Lee/NG | W | 3-1 |