Stadium: Court 6 Round: 62 Ground: Synthetic outdoor
| ITF Women Iizuka Qual | 2016/09/25 04:00 | Chihiro Muramatsu v Honoka Uchiyama | 6-0,6-1 |
| ITF Women Nonthaburi | 2018/08/05 02:00 | Dabin Kim v Mitsumi Kawasaki | 7-6,6-3 |
| ITF Women Nonthaburi | 2018/08/04 02:00 | Mitsumi Kawasaki v Lisa-Marie Rioux | 7-5,6-4 |
| ITF Women Taipei | 2018/07/25 05:30 | Kwan Yau Ng v Mitsumi Kawasaki | 6-4,6-4 |
| ITF Women Hong Kong | 2018/07/09 05:55 | Reina Takahashi v Mitsumi Kawasaki | 6-0,7-5 |
| ITF Women Kofu | 2018/06/12 01:00 | Yuuki Tanaka v Mitsumi Kawasaki | 6-0,6-2 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Mitsumi Kawasaki v Rina Saigo | 1-6,2-6 |
| ITF Women Karuizawa Qual | 2018/05/20 02:30 | Mitsumi Kawasaki v Minami Akiyama | 6-3,6-3 |
| ITF Women Kurume Qual | 2018/05/14 04:30 | Mitsumi Kawasaki v Anastasia E Nefedova | 3-6,2-6 |