Stadium: Court 3 Round: 25 Ground: Hardcourt outdoor
| ITF W60 Tokyo | 2022/11/16 02:35 | Funa Kozaki v Ushijima, Risa | 4-6,0-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2023/03/28 00:30 | Garcia Perez, Georgina v Funa Kozaki | 6-3,6-4 |
| ITF - W15 Hinode | 2023/03/21 03:00 | Funa Kozaki v Akiko Omae | 1-6,5-7 |
| ITF W40 Pune | 2023/01/24 06:30 | Funa Kozaki v Ainitdinova, Gozal | 7-5,3-6,2-6 |
| ITF W40 Pune | 2023/01/23 06:30 | Mei Yamaguchi v Funa Kozaki | 6-3,1-6,3-6 |
| ITF W40 Pune | 2023/01/22 08:30 | Gupta, Avishka v Funa Kozaki | 1-6,1-6 |
| ITF W40 Bhopal | 2023/01/18 07:15 | Funa Kozaki v Ekaterina Makarova | 0-6,4-6 |
| ITF W40 Bhopal | 2023/01/15 07:55 | Anjali Rathi v Funa Kozaki | 6-4,3-6,1-6 |
| ITF W60 Kyoto | 2022/12/19 00:00 | Funa Kozaki v Sara Saito | 1-6,3-6 |
| Osaka, Singles W-ITF-JPN-02A | 2023/04/18 01:00 | Ushijima, Risa v Takayama, Chihiro | 6-2,6-3 |
| 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 |