| WTT Contender Tunis WD | 08/03 09:30 | - | Hirano/Ishikawa v Harimoto/Nagasaki | L | 2-3 | |
| WTT Star Contender Budapest WD | 07/15 13:00 | 3 | Sun/Wang v Hirano/Ishikawa | L | 3-1 | |
| WTT Star Contender Budapest WD | 07/14 13:10 | 4 | Hirano/Ishikawa v Bergstrom/Kallberg | W | 3-0 | |
| World Championship WD | 11/27 18:40 | 3 | Wang/Sun v Hirano/Ishikawa | L | 3-2 | |
| World Championship WD | 11/26 19:00 | - | Paranang/Sawettabut v Ishikawa/Hirano | W | 0-3 | |
| World Championship WD | 11/25 17:10 | - | Szocs/Polcanova v Ishikawa/Hirano | W | 0-3 | |
| Olympics 2020 - Team Women | 08/05 10:30 | 1 | Chen/Wang v Ishikawa/Hirano | L | 3-1 | |
| Olympics 2020 - Team Women | 08/03 10:30 | 2 | Soo/Lee v Ishikawa/Hirano | W | 0-3 | |
| Olympics 2020 - Team Women | 08/02 10:30 | 3 | Cheng/Chen v Ishikawa/Hirano | W | 0-3 | |
| Olympics 2020 - Team Women | 08/01 10:30 | 7 | Fazekas/Pergel v Ishikawa/Hirano | W | 0-3 | |
| WTT Star Contender Doha WD | 03/13 07:00 | 1 | Ishikawa/Hirano v Shin/Jeon | L | 0-3 | |
| WTT Star Contender Doha WD | 03/11 11:15 | 1 | Ishikawa/Hirano v Hayata/Kihara | W | 3-2 |