Round: 54 Ground: Hardcourt outdoor
| ITF Women Hong Kong | 2017/12/30 05:30 | Ayumi Koshiishi v Ashmitha Easwaramurthi | 6-0,6-2 |
| ITF Women Hong Kong | 2017/12/27 03:30 | Ayumi Koshiishi v Zhang, Ling | 4-6,3-6 |
| ITF Women Hong Kong | 2017/12/25 04:45 | Ayumi Koshiishi v Sheng, Yuqi | 7-6,6-2 |
| ITF Women Hong Kong | 2017/12/24 02:00 | Ayumi Koshiishi v Detkovskaya, Dariya | 7-5,6-2 |
| ITF Women Toyota Qual | 2017/11/12 03:05 | Kim, Na Ri v Ayumi Koshiishi | 6-3,6-2 |
| ITF Women Tokyo Qual | 2017/11/05 02:55 | Ayumi Koshiishi v Cheong, Naomi | 6-7,1-6 |
| ITF Women Tokyo Qual | 2017/11/04 05:35 | Ayumi Koshiishi v Kawasaki, Mitsumi | 6-4,5-7,6-4 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2017/10/18 02:30 | Momoko Kobori v Ayumi Koshiishi | 7-6,6-3 |
| ITF Women Hong Kong | 2017/12/23 04:00 | Zuo, Pinyi v Sheng, Yuqi | 1-6,1-6 |
| ITF Women Guiyang Qual | 2017/09/09 03:05 | Wei, Zhanlan v Zuo, Pinyi | 6-1,6-3 |
| ITF Women Anning | 2017/06/19 05:10 | Han, Jiangxue v Zuo, Pinyi | 6-1,6-1 |
| ITF Women Wuhan Qual | 2017/05/27 02:00 | Long, Yufei v Zuo, Pinyi | 6-2,6-2 |
| ITF Women Qujing Qual | 2017/05/14 02:00 | Shuo Feng v Zuo, Pinyi | 6-1,6-3 |
| ITF Women Yuxi Qual | 2017/05/07 02:00 | Yidi Yang v Zuo, Pinyi | 7-5,6-3 |
| ITF Women Yuxi Qual | 2017/05/06 02:00 | Fu, Xiao Chen v Zuo, Pinyi | 2-6,3-6 |
| ITF Women Nanning Qual | 2017/04/08 05:35 | Zuo, Pinyi v Ng, Kwan Yau | 1-6,3-6 |