Round: 62 Ground: Hardcourt outdoor
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/12 02:00 | Kato, Kei v Sakata, Kimika | 6-3,6-1 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/18 04:00 | Higuchi, Yuka v Sakata, Kimika | 6-3,6-3 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/06 00:30 | Haruna Arakawa v Sakata, Kimika | 7-5,6-3 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/05 00:30 | Sakata, Kimika v Inoue, Akari | 6-2,6-3 |
| ITF Women Nanjing Qual | 2017/02/18 06:05 | Meiling Wang v Sakata, Kimika | 6-0,6-1 |
| ITF Women Nanjing | 2017/02/15 08:05 | Sakata, Kimika v Zhang, Yukun | 3-6,1-6 |
| ITF Women Nanjing Qual | 2017/02/14 02:00 | Li, Yixuan v Sakata, Kimika | 3-6,6-2,5-7 |
| ITF Women Nanjing Qual | 2017/02/13 02:00 | Wang, Junsai v Sakata, Kimika | 5-7,1-6 |
| ITF Women Nanjing Qual | 2017/02/12 02:00 | Zang, Jiaxue v Sakata, Kimika | 1-6,0-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/20 01:00 | Kato, Kei v Fujiwara, Rika | 3-6,0-6 |
| Nishi-Tama, Singles W-WITF-JPN-01A | 2017/03/19 01:00 | Takayama, Chihiro v Kato, Kei | 1-6,2-6 |
| Yokohama, Singles Qualifying W-WITF-JPN-01B | 2017/03/06 04:00 | Minokoshi, Mai v Kato, Kei | 6-2,6-7,6-2 |
| ITF Women Hong Kong | 2016/12/24 02:00 | Liu, Mingyang v Kato, Kei | 7-6,6-3 |
| Hamamatsu, Singles W-WITF-JPN-12A | 2016/10/19 05:40 | Kato, Kei v Aoyama, Shuko | 2-6,0-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/13 00:30 | Kato, Kei v Lykina, Ksenia | 1-6,0-6 |
| Makinohara, Singles Qualifying W-WITF-JPN-15A | 2016/10/12 02:00 | Kato, Kei v Sakata, Kimika | 6-3,6-1 |
| ITF Women Makinohara Qual | 2016/10/10 00:30 | Koshino, Yurina v Kato, Kei | 2-6,1-6 |