Home History
| ITF Women Karuizawa Qual | 2017/05/21 04:00 | Kei Kato v Ran Miyachi | 6-4,6-0 |
| ITF Women Kurume Qual | 2017/05/15 01:00 | Rika Fujiwara v Kei Kato | 6-0,7-6 |
| ITF Women Kurume Qual | 2017/05/14 07:50 | Hina Matsumoto v Kei Kato | 3-6,4-6 |
| ITF Women Kurume Qual | 2017/05/14 05:15 | Robu Kajitani v Kei Kato | 3-6,6-7 |
| ITF Women Kofu Qual | 2017/03/27 04:00 | Kei Kato v Mari Osaka | 0-6,1-6 |
| ITF Women Kofu Qual | 2017/03/27 02:30 | Kumi So v Kei Kato | 2-6,6-7 |
| 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 |
Away History
| ITF Women Karuizawa Qual | 2017/05/20 04:00 | Moyuka Uchijima v Minori Natsuka | 6-4,6-2 |
| ITF Women Kurume Qual | 2017/05/14 01:55 | Hina Matsumoto v Moyuka Uchijima | 6-2,7-5 |
| ITF Women Fukuoka Qual | 2017/05/07 02:30 | Moyuka Uchijima v Yukina Saigo | 3-6,4-6 |