Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| Osaka, Singles W-ITF-JPN-02A | 2023/04/10 01:00 | Ushijima, Risa v Aoi Ito | 5-7,5-7 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 03:00 | Ushijima, Risa v Takayama, Chihiro | 6-4,6-3 |
| Jakarta, Singles Qualifying W-ITF-INA-01A | 2023/03/20 06:20 | Sahaja Yamalapalli v Ushijima, Risa | 6-1,6-3 |
| Jakarta, Singles Qualifying W-ITF-INA-01A | 2023/03/19 04:00 | Ushijima, Risa v Mio Mushika | 6-2,6-1 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/18 02:30 | Ushijima, Risa v Anastasia Kovaleva | 2-6,5-7 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/16 05:20 | Michika Ozeki v Ushijima, Risa | 4-6,6-7 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/15 06:10 | Ushijima, Risa v Takayama, Chihiro | 6-1,3-6,6-3 |
| ITF W60 Kyoto | 2022/12/19 07:00 | Michika Ozeki v Ushijima, Risa | 6-2,6-4 |