| ITF Women Kofu Qual | 2017/03/25 02:00 | Pei-Chi Lee v Kumi So | 4-6,7-5,2-6 |
| ITF Women Nishi-Tama | 2017/03/19 01:00 | Kumi So v Qianqian Zhao | 0-6,1-6 |
| ITF Women Nishi-Tama | 2017/03/18 02:00 | Kumi So v Makoto Yamaguchi | 6-2,6-2 |
| ITF Women Hamamatsu | 2016/10/19 03:15 | Ksenia Lykina v Kumi So | 6-2,4-6,6-1 |
| ITF Women Hamamatsu Qual | 2016/10/17 02:30 | Kisa Yoshioka v Kumi So | 5-7,6-3,4-6 |
| ITF Women Kyoto | 2016/09/05 01:00 | Kumi So v Himari Sato | 6-1,2-6,0-6 |
| ITF Women Noto Qual | 2016/08/28 05:00 | Kumi So v Ayumi Koshiishi | 2-6,2-6 |
| ITF Women Kofu Qual | 2017/03/25 01:00 | Kimika Sakata v Kei Kato | 4-6,3-6 |
| ITF Women Nishi-Tama | 2017/03/20 01:00 | Kei Kato v Rika Fujiwara | 3-6,0-6 |
| ITF Women Nishi-Tama | 2017/03/19 01:00 | Chihiro Takayama v Kei Kato | 1-6,2-6 |
| ITF Women Yokohama Qual | 2017/03/06 04:00 | Mai Minokoshi v Kei Kato | 6-2,6-7,6-2 |
| ITF Women Hong Kong | 2016/12/24 02:00 | Mingyang Liu v Kei Kato | 7-6,6-3 |
| ITF Women Hamamatsu | 2016/10/19 05:40 | Kei Kato v Shuko Aoyama | 2-6,0-6 |
| ITF Women Makinohara | 2016/10/13 00:30 | Kei Kato v Ksenia Lykina | 1-6,0-6 |
| ITF Women Makinohara | 2016/10/12 02:00 | Kei Kato v Kimika Sakata | 6-3,6-1 |