Stadium: Court 6 Round: 62 Ground: Synthetic outdoor
| ITF Women Makinohara | 2018/10/09 00:30 | Haruna Arakawa v Honoka Uchiyama | 6-0,6-1 |
| ITF Women Iizuka Qual | 2016/09/25 04:00 | Chihiro Muramatsu v Honoka Uchiyama | 6-0,6-1 |
| ITF Women Hamamatsu | 2018/10/14 00:00 | Haine Ogata v Mitsumi Kawasaki | 1-6,6-4,4-6 |
| ITF Women Makinohara | 2018/10/08 00:30 | Kanako Morisaki v Mitsumi Kawasaki | 6-0,0-6,6-4 |
| ITF Women Makinohara | 2018/10/07 00:30 | Mami Hasegawa v Mitsumi Kawasaki | 5-7,6-3,1-6 |
| ITF Women Kyoto | 2018/09/06 01:00 | Haruna Arakawa v Mitsumi Kawasaki | 6-0,6-3 |
| ITF Women Kyoto | 2018/09/05 07:20 | Mitsumi Kawasaki v Nagisa Morimoto | 6-4,6-3 |
| ITF Women Kyoto | 2018/09/05 01:00 | Kanako Osafune v Mitsumi Kawasaki | 4-6,6-7 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Nagi Hanatani v Mitsumi Kawasaki | 6-3,6-3 |
| ITF Women Nonthaburi | 2018/08/05 02:00 | Dabin Kim v Mitsumi Kawasaki | 7-6,6-3 |