| Olympics 2020 - Team Women | 08/01 01:00 | - | Lee H C / Soo W Y M v Yamada J / Kumahara C | L | 3-0 | |
| Challenge Plus Portugal Open 2020, WD, Quali | 02/14 17:00 | 5 | Noskova / Vorobeva v Yamada J / Kumahara C | L | 3-2 | |
| Team World Cup, Women Singles | 11/07 04:30 | - | Yamada J / Kumahara C v Shin/Jeon | L | 0-3 | |
| Pan American Games WD | 08/10 22:00 | - | Diaz M / Rios D v Yamada J / Kumahara C | L | 3-2 | |
| Pan American Games WD | 08/10 15:00 | - | Wu Y / Zhang L v Yamada J / Kumahara C | L | 3-2 |