Round: 62 Ground: Hardcourt outdoor
| ITF Damen - Yokohama - Qualifikation | 2017/03/06 04:00 | Mai Minokoshi v Kei Kato | 6-2,6-7,6-2 |
| ITF Damen - Hong Kong | 2016/12/24 02:00 | Mingyang Liu v Kei Kato | 7-6,6-3 |
| ITF Damen - Hamamatsu | 2016/10/19 05:40 | Kei Kato v Shuko Aoyama | 2-6,0-6 |
| ITF Damen - Makinohara | 2016/10/13 00:30 | Kei Kato v Ksenia Lykina | 1-6,0-6 |
| ITF Damen - Makinohara | 2016/10/12 02:00 | Kei Kato v Kimika Sakata | 6-3,6-1 |
| ITF Damen - Makinohara - Qualifikation | 2016/10/10 00:30 | Yurina Koshino v Kei Kato | 2-6,1-6 |
| ITF Damen - Makinohara - Qualifikation | 2016/10/09 00:30 | Yuki Ando v Kei Kato | 6-2,4-6,1-6 |
| ITF Damen - Nanjing - Qualifikation | 2017/02/26 02:00 | Shuyue Ma v Mami Hasegawa | 6-3,7-5 |
| ITF Damen - Nanjing - Qualifikation | 2017/02/25 02:00 | Pinyi Zuo v Mami Hasegawa | 4-6,0-6 |
| ITF Damen - Toyota - Qualifikation | 2016/11/13 04:00 | Mami Hasegawa v Akari Inoue | 2-6,6-4,4-6 |
| ITF Damen - Makinohara - Qualifikation | 2016/10/09 00:30 | Chihiro Muramatsu v Mami Hasegawa | 6-1,6-1 |