Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF - Kawaguchi W15 | 2023/06/13 05:00 | Kanon Sawashiro v Kayo Nishimura | 4-6,6-7 |
| ITF - Kashiwa W15 | 2023/06/06 01:00 | Kayo Nishimura v Lisa-Marie Rioux | 4-6,3-6 |
| ITF - Tokyo W25 | 2023/05/29 03:00 | Nana Kawagishi v Kayo Nishimura | 7-6,2-6,10-7 |
| ITF - Tokyo W25 | 2023/05/28 06:00 | Yu-Chieh Hsieh v Kayo Nishimura | 1-6,4-6 |
| ITF - Kurume W60 | 2023/05/15 00:30 | Kanako Morisaki v Kayo Nishimura | 6-4,4-6,6-1 |
| ITF - Gifu W80 | 2023/05/01 08:55 | Kayo Nishimura v Mana Ayukawa | 6-7,0-6 |
| ITF - Gifu W80 | 2023/05/01 04:05 | Punnin Kovapitukted v Kayo Nishimura | 6-0,1-6,1-6 |
| ITF - Osaka W15 | 2023/04/20 03:45 | Eunhye Lee v Kayo Nishimura | 6-0,6-2 |
| ITF - Kawaguchi W15 | 2023/06/13 05:00 | Shiho Tsujioka v Mao Mushika | 2-6,3-6 |
| ITF - Kashiwa W15 | 2023/06/10 02:00 | Aoi Ito v Mao Mushika | 6-2,6-4 |
| ITF - Kashiwa W15 | 2023/06/09 04:30 | Chia Yi Tsao v Mao Mushika | 5-7,4-6 |
| ITF - Kashiwa W15 | 2023/06/08 02:30 | Ai Yamaguchi v Mao Mushika | 4-6,4-6 |
| ITF - Kashiwa W15 | 2023/06/07 06:05 | Kurumi Tamura v Mao Mushika | 6-4,4-6,4-6 |
| ITF - Tokyo W25 | 2023/05/29 03:55 | Ayano Shimizu v Mao Mushika | 6-2,6-1 |
| ITF - Karuizawa W25 | 2023/05/22 00:30 | Mao Mushika v Yuna Ohashi | 7-5,4-6,8-10 |
| ITF - Kurume W60 | 2023/05/18 01:45 | Emina Bektas v Mao Mushika | 6-2,6-2 |