Stadium: 9 Round: 25 Ground: Hardcourt outdoor
| UTR Pro Takasaki Women | 2023/09/10 02:09 | Honoka Uchiyama v Kosaka Asahi | 4-6,2-6 |
| UTR Pro Takasaki Women | 2023/09/09 01:15 | Natsumi Nakadate v Kosaka Asahi | 1-6,5-7 |
| UTR Pro Takasaki Women | 2023/09/07 00:45 | Aya Ishii v Kosaka Asahi | 6-1,6-2 |
| UTR Pro Takasaki Women | 2023/09/06 00:00 | Ai Yamaguchi v Kosaka Asahi | 6-3,6-1 |
| UTR Pro Noda Women | 2023/08/27 04:45 | Noelani Teso v Kosaka Asahi | 6-3,6-1 |
| UTR Pro Noda Women | 2023/08/25 01:30 | Kosaka Asahi v Hinata Chiba | 6-4,5-7,2-6 |
| UTR Pro Noda Women | 2023/08/22 00:30 | Uta Asakura v Kosaka Asahi | 6-1,5-1 |
| ITF W35 Hong Kong | 2024/07/02 04:30 | Misaki Matsuda v Mio Mushika | 6-0,7-6 |
| ITF W15 Hong Kong | 2024/06/29 02:00 | Saki Imamura v Mio Mushika | 6-7,6-4,6-2 |
| ITF W15 Hong Kong | 2024/06/28 02:00 | Man Ying Maggie Ng v Mio Mushika | 0-6,0-6 |
| ITF W15 Hong Kong | 2024/06/27 04:35 | Naomi Xu v Mio Mushika | 4-6,2-6 |
| ITF W15 Tokyo | 2024/06/14 03:35 | Akiko Omae v Mio Mushika | 6-2,2-6,6-1 |
| ITF W15 Tokyo | 2024/06/13 01:00 | Aely Arai v Mio Mushika | 0-6,2-6 |
| ITF W15 Tokyo | 2024/06/11 04:00 | Funa Kozaki v Mio Mushika | 1-6,1-6 |
| ITF W15 Kawaguchi | 2024/06/04 04:00 | Ayumi Miyamoto v Mio Mushika | 6-3,6-1 |