| ITF Women Fukuoka Qual | 2017/05/07 03:10 | Robu Kajitani v Haruna Sakamoto | 5-7,6-4,1-6 |
| ITF Women Nishi-Tama | 2017/03/19 02:00 | Ayumi Koshiishi v Robu Kajitani | 1-6,6-0,6-3 |
| ITF Women Nishi-Tama | 2017/03/18 03:00 | Robu Kajitani v Sari Baba | 6-4,6-2 |
| ITF Women Makinohara Qual | 2016/10/09 00:30 | Momoko Kobori v Robu Kajitani | 6-3,6-1 |
| ITF Women Iizuka Qual | 2016/09/26 02:20 | Ayano Shimizu v Robu Kajitani | 6-1,6-0 |
| ITF Women Kyoto | 2016/09/06 05:30 | Robu Kajitani v Miki Miyamura | 7-5,3-6,3-6 |
| ITF Women Noto Qual | 2016/08/28 05:00 | Mai Minokoshi v Robu Kajitani | 6-4,6-3 |
| ITF Women Noto Qual | 2016/08/28 01:00 | Eimi Friant v Robu Kajitani | 6-2,2-6,0-6 |
| 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 |
| 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 |