Round: 25 Ground: Synthetic outdoor
| ITF Women Kurume | 2017/05/17 01:00 | Ayaka Okuno v Erina Hayashi | 6-7,0-6 |
| ITF Women Fukuoka | 2017/05/10 01:00 | Ayaka Okuno v Erina Hayashi | 3-6,3-6 |
| ITF Women Gifu Qual | 2017/04/30 04:40 | Emily Webley-Smith v Ayaka Okuno | 7-5,2-6,6-3 |
| ITF Women Anning Qual | 2017/04/24 02:00 | Mana Ayukawa v Ayaka Okuno | 2-6,6-3,7-5 |
| ITF Women Anning Qual | 2017/04/23 03:15 | Yan Wang v Ayaka Okuno | 3-6,2-6 |
| ITF Women Anning Qual | 2017/04/22 03:15 | Shanshan Guo v Ayaka Okuno | 6-1,2-6,3-6 |
| ITF Women Pelham | 2017/04/12 16:45 | Ayaka Okuno v Usue Maitane Arconada | 3-6,3-6 |
| ITF Women Pelham | 2017/04/11 17:00 | Ayaka Okuno v Catherine Leduc | 6-1,6-2 |
| ITF Women Karuizawa Qual | 2017/05/22 01:00 | Kimika Sakata v Chihiro Takayama | 4-6,6-7 |
| ITF Women Karuizawa Qual | 2017/05/21 02:30 | Reina Takahashi v Chihiro Takayama | 6-7,3-6 |
| ITF Women Kurume Qual | 2017/05/14 00:30 | Chihiro Takayama v Megumi Nishimoto | 4-6,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 06:50 | Chihiro Takayama v Yukina Saigo | 6-3,5-7,4-6 |
| ITF Women Fukuoka Qual | 2017/05/07 02:55 | Anri Nagata v Chihiro Takayama | 4-6,3-6 |
| ITF Women Anning Qual | 2017/04/22 04:35 | Kwan Yau Ng v Chihiro Takayama | 1-6,6-2,1-6 |
| ITF Women Nanning Qual | 2017/04/10 02:00 | Chihiro Takayama v Qianhui Tang | 3-6,2-6 |
| ITF Women Nanning Qual | 2017/04/09 02:30 | Pei-Chi Lee v Chihiro Takayama | 4-6,6-7 |