Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 03:00 | Ushijima, Risa v Takayama, Chihiro | 6-4,6-3 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/15 06:10 | Ushijima, Risa v Takayama, Chihiro | 6-1,3-6,6-3 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/17 02:00 | Ushijima, Risa v Hikari Yamamoto | 6-4,6-0 |
| 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 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/17 02:00 | Britney Chiu v Takayama, Chihiro | 4-6,2-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/09 03:00 | Ushijima, Risa v Takayama, Chihiro | 6-4,6-3 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/15 06:10 | Ushijima, Risa v Takayama, Chihiro | 6-1,3-6,6-3 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/14 02:15 | Takayama, Chihiro v Daria Domova | 6-2,6-1 |
| Jakarta, Singles W-ITF-INA-02A | 2023/03/13 03:05 | Takayama, Chihiro v Ananya Yadav | 6-2,6-0 |
| ITF W15 Kuching | 2023/03/02 01:30 | Dabin Kim v Takayama, Chihiro | 6-1,7-6 |
| ITF W15 Kuching | 2023/03/01 09:20 | Takayama, Chihiro v Riko Hiroshima | 6-3,6-0 |
| ITF W60 Kyoto | 2022/12/19 08:20 | Takayama, Chihiro v Ueda, Ramu | 4-6,6-1,11-13 |