Stadium: Court 10 Round: 54 Ground: Hardcourt outdoor
| ITF - W15 Fukui | 2023/04/24 01:00 | Rio Tsuda v Riko Hiroshima | 6-0,6-2 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 03:00 | Riko Hiroshima v Anri Nagata | 3-6,2-6 |
| ITF - W15 Hinode | 2023/03/20 01:00 | Riko Hiroshima v Miyu Nakashima | 5-7,0-6 |
| ITF W15 Kuching | 2023/03/01 09:20 | Takayama, Chihiro v Riko Hiroshima | 6-3,6-0 |
| ITF W15 Kuching | 2023/02/28 05:40 | Riko Hiroshima v Xiaoyan Xue | 5-7,7-6,10-8 |
| ITF W15 Kuching | 2023/02/26 06:30 | Snehal Mane v Riko Hiroshima | 3-6,2-6 |
| ITF - W15 Kuala Lumpur | 2023/02/19 03:00 | Riko Hiroshima v Sabatini, Fitriani | 2-6,3-6 |
| ITF W15 Ipoh | 2023/02/13 03:00 | Kanako Osafune v Riko Hiroshima | 7-5,2-6,10-6 |