Round: 54 Ground: Hardcourt outdoor
| 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 Hamamatsu Qual | 2017/10/17 06:00 | Hasegawa, Mami v Ayumi Koshiishi | 2-6,6-3,6-7 |
| ITF Women Hong Kong | 2017/12/23 02:00 | Ashmitha Easwaramurthi v Zang, Jiaxue | 2-6,2-6 |
| Cairo, Singles W-WITF-EGY-02A | 2017/12/04 09:00 | Viktoria Morvayova v Ashmitha Easwaramurthi | 6-1,6-3 |
| Cairo, Singles W-WITF-EGY-02A | 2017/11/27 07:30 | Merdeeva, Alija v Ashmitha Easwaramurthi | 4-6,6-3,6-4 |
| Cairo, Singles W-WITF-EGY-02A | 2017/11/26 09:30 | Ashmitha Easwaramurthi v Trocker, Vickie | 6-1,6-0 |
| Dakar, Singles W-WITF-SEN-01A | 2017/11/14 09:30 | Stokke, Melanie v Ashmitha Easwaramurthi | 6-0,6-1 |
| ITF Women Dakar Qual | 2017/11/12 12:00 | Adegoke, Sarah v Ashmitha Easwaramurthi | 6-4,5-7,0-6 |
| ITF Women Shenzhen Qual | 2017/11/05 04:30 | Ashmitha Easwaramurthi v Mu, Shou Na | 5-7,7-5,2-6 |
| ITF Women Nonthaburi Qual | 2017/10/07 03:00 | Ashmitha Easwaramurthi v Georgiana Ruhrig | 1-6,3-6 |