Stadium: Court 4 Round: 54 Ground: Hardcourt outdoor
| ITF - Fukui W15 | 2023/04/24 01:00 | Sera Nishimoto v Honori Koyama | 4-6,2-6 |
| UTR Pro - Miki - Kobiety | 2023/07/09 00:30 | Honori Koyama v Yuna Kadowaki | 6-4,6-4 |
| UTR Pro - Miki - Kobiety | 2023/07/08 05:45 | Honori Koyama v Satsuki Ishikawa | 6-2,5-4 |
| UTR Pro - Miki - Kobiety | 2023/07/07 05:00 | Honori Koyama v Amina Salibayeva | 6-7,6-1,4-6 |
| UTR Pro - Miki - Kobiety | 2023/07/05 00:30 | Honori Koyama v Hinata Chiba | 1-6,1-6 |
| UTR Pro - Miki - Kobiety | 2023/07/03 00:30 | Uta Asakura v Honori Koyama | 3-6,6-4,2-4 |
| ITF - Kawaguchi W15 | 2023/06/14 05:00 | Haine Ogata v Honori Koyama | 6-1,6-1 |
| ITF - Kawaguchi W15 | 2023/06/13 05:15 | Honori Koyama v Riko Kikawada | 6-2,5-7,10-6 |
| ITF - Kawaguchi W15 | 2023/06/13 00:00 | Honori Koyama v Honami Sodeyama | 6-1,6-4 |
| UTR Pro - Miki - Kobiety | 2023/07/08 00:30 | Sera Nishimoto v Ayaka Ozeki | 0-4 |
| UTR Pro - Miki - Kobiety | 2023/07/07 04:07 | Momoko Yoshimura v Sera Nishimoto | 0-6,0-6 |
| UTR Pro - Miki - Kobiety | 2023/07/06 00:30 | Satsuki Ishikawa v Sera Nishimoto | 6-7,3-5 |
| UTR Pro - Miki - Kobiety | 2023/07/05 03:30 | Reina Goto v Sera Nishimoto | 6-4,4-6,7-5 |
| UTR Pro - Miki - Kobiety | 2023/07/03 07:30 | Suzuka Sambyakugari v Sera Nishimoto | 1-6,1-6 |
| ITF - Kawaguchi W15 | 2023/06/13 00:00 | Sera Nishimoto v Kaho Oyama | 3-6,4-6 |
| ITF - Kashiwa W15 | 2023/06/05 01:00 | Nagomi Higashitani v Sera Nishimoto | 6-0,6-2 |
| ITF - Fukui W15 | 2023/04/24 01:00 | Sera Nishimoto v Honori Koyama | 4-6,2-6 |