| Spain Masters WD | 03/28 15:00 | 4 | Hirokami/Kato v Kusuma F D / Pratiwi A C | L | 0-2 | |
| Spain Masters WD | 03/26 18:00 | 5 | Hirokami/Kato v Wang/Wang | W | 2-0 | |
| Swiss Open WD | 03/22 15:30 | 3 | Mayasari/Sugiarto v Hirokami/Kato | L | 2-0 | |
| Swiss Open WD | 03/21 14:20 | 4 | Crasto/Ponnappa v Hirokami/Kato | W | 0-2 | |
| Swiss Open WD | 03/20 11:30 | 5 | Kato/Hirokami v 리마 J / 리마 S | W | 2-0 | |
| Orleans Masters WD | 03/17 13:20 | 1 | Puspitasari/Rose v Hirokami/Kato | L | 2-0 | |
| Orleans Masters WD | 03/16 17:00 | 2 | Hirokami/Kato v Lambert/Tran | W | 2-1 | |
| Orleans Masters WD | 03/15 19:35 | 3 | Kudsk/Schulz v Hirokami/Kato | W | 0-2 | |
| Orleans Masters WD | 03/14 18:40 | 4 | Hsu/Lin v Hirokami/Kato | W | 1-2 | |
| India Open WD | 01/17 06:20 | 5 | Kato/Hirokami v 마츠모토 M / 나가하라 W | L | 0-2 | |
| Malaysia Open WD | 01/10 10:35 | 5 | Miyaura/Sakuramoto v Hirokami/Kato | L | 2-0 | |
| Japan Masters WD | 11/16 04:15 | - | 탄 P K L / 티나아 M v Hirokami/Kato | L | 2-0 | |
| Japan Masters WD | 11/15 10:45 | 5 | Hirokami/Kato v 코베트 F / 리 A | W | 2-0 | |
| Korea Masters WD | 11/12 04:10 | - | Hirokami/Kato v Jeong N E / Kim H J | L | 0-2 | |
| Korea Masters WD | 11/11 06:40 | - | Hirokami/Kato v Hsu/Lin | W | 2-1 | |
| Korea Masters WD | 11/10 04:30 | - | Kim W H / Kim H R v Hirokami/Kato | W | 0-2 | |
| Korea Masters WD | 11/09 07:05 | - | Hirokami/Kato v Hu/Lin | W | 2-0 | |
| Korea Masters WD | 11/07 07:00 | 5 | Hirokami/Kato v Hung T W / Lin J Y | W | 2-0 | |
| French Open WD | 10/26 15:35 | 4 | Hirokami/Kato v 마츠모토 M / 나가하라 W | L | 0-2 | |
| French Open WD | 10/24 13:45 | 5 | Hirokami/Kato v 코베트 F / 리 A | W | 2-1 | |
| Denmark Open WD | 10/19 15:30 | 4 | Kusuma F D / Pratiwi A C v Hirokami/Kato | L | 2-0 | |
| Denmark Open WD | 10/17 15:25 | 5 | Hirokami/Kato v Sung/Hui Yu | W | 2-1 | |
| Denmark Open WD | 10/17 07:00 | 5 | Hirokami/Kato v Baek H N / Lee Y R | - | Cancelled | |
| Hong Kong Open 2019, WD | 09/12 09:05 | 5 | Hirokami/Kato v Miyaura/Sakuramoto | L | 0-2 | |
| China Open 2018, Women Doubles | 09/06 07:30 | 5 | Hirokami/Kato v Hoo/Lim | L | 1-2 | |
| Australian Open WD | 08/03 06:30 | 4 | Hirokami/Kato v 김 S Y / 공 H Y | L | 0-2 | |
| Australian Open WD | 08/01 23:00 | 5 | Mapasa/Yu v Hirokami/Kato | W | 1-2 | |
| Japan Open WD | 07/27 01:55 | 4 | 키티타라쿨 J / 프라종자이 R v Hirokami/Kato | L | 2-0 | |
| Japan Open WD | 07/25 01:55 | 5 | Xu A / Xu K v Hirokami/Kato | W | 0-2 | |
| Korea Open WD | 07/18 08:05 | 5 | 탄 P K L / 티나아 M v Hirokami/Kato | L | 2-1 |