Stadium: Court 9 Round: 54 Ground: Hardcourt outdoor
| ITF Women Tokyo Qual | 2017/11/04 05:35 | Ayumi Koshiishi v Mitsumi Kawasaki | 6-4,5-7,6-4 |
| ITF Women Hamamatsu | 2017/10/18 02:30 | Momoko Kobori v Ayumi Koshiishi | 7-6,6-3 |
| ITF Women Hamamatsu Qual | 2017/10/17 06:00 | Mami Hasegawa v Ayumi Koshiishi | 2-6,6-3,6-7 |
| ITF Women Hamamatsu Qual | 2017/10/16 02:00 | Aoiko Goto v Ayumi Koshiishi | 0-6,2-6 |
| ITF Women Hamamatsu Qual | 2017/10/14 00:00 | Makoto Yamaguchi v Ayumi Koshiishi | 1-6,4-6 |
| ITF Women Makinohara | 2017/10/12 03:20 | Miyabi Inoue v Ayumi Koshiishi | 6-4,6-2 |
| ITF Women Makinohara | 2017/10/10 02:55 | Mayuka Aikawa v Ayumi Koshiishi | 2-6,3-6 |
| ITF Women Makinohara Qual | 2017/10/09 00:30 | Chie Kezuka v Ayumi Koshiishi | 3-6,3-6 |
| ITF Women Tokyo Qual | 2017/11/04 06:15 | Ayano Sonoda v Naomi Cheong | 0-6,2-6 |
| ITF Women Hamamatsu | 2017/10/20 06:30 | Jia-Jing Lu v Naomi Cheong | 3-6,6-0,6-3 |
| ITF Women Hamamatsu | 2017/10/20 01:00 | Naomi Cheong v Junri Namigata | 6-1,7-5 |
| ITF Women Hamamatsu | 2017/10/19 06:50 | Harriet Dart v Naomi Cheong | 5-7,6-3,4-6 |
| ITF Women Hamamatsu | 2017/10/18 04:40 | Naomi Cheong v Akari Kakizawa | 6-3,6-0 |
| ITF Women Hamamatsu Qual | 2017/10/17 06:00 | Nozomi Fujioka v Naomi Cheong | 1-6,2-6 |
| ITF Women Hamamatsu Qual | 2017/10/16 03:30 | Suzuka Furukawa v Naomi Cheong | 1-6,0-6 |
| ITF Women Hamamatsu Qual | 2017/10/14 01:00 | Karin Terami v Naomi Cheong | 4-6,2-6 |