Round: 25 Ground: Hardcourt outdoor
| ITF femminile Toyota - Qual. | 2017/11/12 02:00 | Ayaka Okuno v Nozomi Ohya | 2-6,3-6 |
| ITF Femminile Shenzhen - Qual. | 2017/11/06 03:00 | Ayaka Okuno v Zhuoma Ni Ma | 1-6,7-6,2-6 |
| ITF femminile Hamamatsu | 2017/10/18 01:50 | Mitsumi Kawasaki v Ayaka Okuno | 6-1,6-1 |
| ITF femminile Makinohara | 2017/10/11 00:30 | Ayaka Okuno v Megumi Nishimoto | 3-6,0-6 |
| WTA Tokyo - Qual. | 2017/09/16 01:00 | Ayaka Okuno v Basak Eraydin | 1-6,2-6 |
| ITF femminile Kyoto | 2017/09/05 06:55 | Ayaka Okuno v Mei Yamaguchi | 4-6,2-6 |
| ITF femminile Nanao | 2017/08/29 01:00 | Katy Dunne v Ayaka Okuno | 6-4,6-1 |
| ITF femminile Tsukuba | 2017/08/24 00:40 | Akiko Omae v Ayaka Okuno | 6-4,6-3 |
| ITF Femminile Hong Kong | 2017/12/24 02:00 | Pei Hsuan Chen v I-Hsuan Cho | 6-0,6-2 |
| ITF Femminile Hong Kong | 2017/12/23 05:00 | Pei Hsuan Chen v Yufei Long | 6-4,6-3 |
| ITF Femminile Sharm El Sheikh | 2017/10/06 14:30 | Arlinda Rushiti v Pei Hsuan Chen | 6-2,6-1 |
| ITF Femminile Sharm El Sheikh | 2017/10/05 14:30 | Jelena Stojanovic v Pei Hsuan Chen | 1-6,2-6 |
| ITF Femminile Sharm El Sheikh | 2017/10/04 14:30 | Pei Hsuan Chen v Melanie Klaffner | 6-2,0-6,6-2 |
| ITF Femminile Sharm El Sheikh | 2017/10/02 14:30 | Pei Hsuan Chen v Melissa Morales | 6-4,6-3 |
| ITF Femminile Sharm El Sheikh | 2017/09/28 15:55 | Pei Hsuan Chen v Pei-Chi Lee | 2-6,1-6 |
| ITF Femminile Sharm El Sheikh | 2017/09/27 19:00 | Pei Hsuan Chen v Sitara Prabhu | 6-1,3-6,6-1 |