Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| ITF - Karuizawa W25 | 2023/05/25 00:30 | Funa Kozaki v Nana Kawagishi | 3-6,4-6 |
| ITF - Karuizawa W25 | 2023/05/24 00:30 | Funa Kozaki v Kisa Yoshioka | 7-5,3-6,10-6 |
| ITF - Kurume W60 | 2023/05/15 06:00 | Funa Kozaki v Mao Mushika | 3-6,2-6 |
| ITF - Fukuoka W60 | 2023/05/08 00:50 | Akiko Omae v Funa Kozaki | 6-4,0-6,6-3 |
| ITF - Gifu W80 | 2023/05/01 05:05 | Funa Kozaki v Anri Nagata | 3-6,3-6 |
| ITF - Gifu W80 | 2023/05/01 01:00 | Nagi Hanatani v Funa Kozaki | 6-2,3-6,4-6 |
| ITF - Osaka W15 | 2023/04/19 05:00 | Funa Kozaki v Risa Ushijima | 4-6,6-2,1-6 |
| ITF - Kofu W25 | 2023/03/28 00:30 | Georgina Garcia-Perez v Funa Kozaki | 6-3,6-4 |
| ITF - Karuizawa W25 | 2023/05/24 00:30 | Akiko Omae v Kyoka Kubo | 6-1,6-2 |
| ITF - Karuizawa W25 | 2023/05/22 00:30 | Riko Kikawada v Kyoka Kubo | 4-6,3-6 |
| ITF - Monastir W15 | 2023/04/04 16:05 | Kyoka Kubo v Jiaqi Wang | 3-6,0-6 |
| ITF - Monastir W15 | 2023/03/28 08:30 | Kyoka Kubo v Karine M Job | 1-6,4-6 |
| ITF - Monastir W15 | 2023/03/27 08:30 | Kyoka Kubo v Wei Zheng | 6-1,6-4 |
| ITF - Monastir W15 | 2023/03/13 08:30 | Kyoka Kubo v Hiba Heni | 1-6,3-6 |
| ITF - Monastir W15 | 2023/03/07 09:55 | Kyoka Kubo v Fangzhou Liu | 2-6,3-6 |
| ITF - Monastir W15 | 2023/02/27 09:00 | Kyoka Kubo v Yizhen Zheng | 4-6,6-4,9-11 |