| ITF Women Nanao Qual | 2017/08/27 04:00 | Aiko Yoshitomi v Ayaka Ozeki | 2-6,6-2,7-6 |
| ITF Women Focsani Qual | 2017/07/02 06:00 | Selma Stefania Cadar v Ayaka Ozeki | 6-2,7-6 |
| ITF Women Bucharest | 2017/06/24 06:00 | Alexandra Maria Staiculescu v Ayaka Ozeki | 6-2,6-0 |
| ITF Women Hamamatsu Qual | 2016/10/15 00:30 | Ayaka Ozeki v Mayuka Aikawa | 1-6,7-6,3-6 |