Stadium: Court 6 Round: 54 Ground: Clay
| ITF Women Hammamet | 2018/06/06 11:20 | Eleni Kordolaimi v Yuka Hosoki | 6-2,6-4 |
| ITF Women Karuizawa | 2018/05/22 02:20 | Yuka Hosoki v Kotomi Takahata | 4-6,3-6 |
| ITF Women Kurume Qual | 2018/05/13 10:10 | Yuki Kristina Chiang v Yuka Hosoki | 2-6,6-3,6-3 |
| ITF Women Hua Hin Qual | 2018/05/07 05:10 | Yuka Hosoki v Anastasia Berezov | 7-6,4-6,1-6 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | Yuka Hosoki v Romklao Yuenyao | 6-2,6-1 |
| ITF Women Hua Hin Qual | 2018/04/30 03:55 | Yuka Hosoki v Supapitch Kuearum | 3-6,6-2,2-6 |
| ITF Women Hua Hin Qual | 2018/04/29 07:30 | Yuka Hosoki v Sarah Pang | 6-0,6-1 |
| ITF Women Sharm El Sheikh | 2018/04/08 10:30 | Kelia Le Bihan v Yuka Hosoki | 4-6,7-6,6-4 |
| ITF Women Hammamet | 2018/06/10 08:00 | Ayaka Ozeki v Niditra Rajmohan | 6-1,6-0 |
| ITF Women Hammamet | 2018/06/05 10:35 | Ayaka Ozeki v Eliessa Vanlangendonck | 2-6,3-6 |
| ITF Women Hammamet | 2018/06/03 12:00 | Ayaka Ozeki v Sarra Ata | 7-5,6-1 |
| ITF Women Hamamatsu Qual | 2017/10/14 01:00 | Ayaka Ozeki v Sae Haraguchi | 2-6,6-4,3-6 |
| ITF Women Kyoto | 2017/09/04 01:00 | Ayaka Ozeki v Momoko Nishio | 6-4,1-6,6-7 |
| 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 |