Stadium: Court B Round: 26
| 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 |
| 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 Kyoto | 2018/09/05 01:00 | Nagisa Morimoto v Sakura Hondo | 7-5,4-6,6-4 |
| ITF Women Jakarta | 2018/07/15 05:30 | Nagisa Morimoto v Yuenu Li | 5-7,6-4,3-6 |
| ITF Women Jakarta | 2018/07/14 03:00 | Nagisa Morimoto v Saumya Vig | 7-5,6-4 |
| ITF Women Daegu Qual | 2018/06/18 01:00 | Yanni Liu v Nagisa Morimoto | 6-2,6-1 |
| ITF Women Daegu Qual | 2018/06/17 01:00 | Sandeul Kim v Nagisa Morimoto | 1-6,0-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Nagisa Morimoto v Mami Hasegawa | 6-4,2-6,2-6 |
| ITF Women Gyeongsan Qual | 2018/06/10 02:00 | Nagisa Morimoto v Han Byeol Lee | 6-0,6-3 |
| ITF Women Sangju Qual | 2018/06/03 01:00 | Nagisa Morimoto v Sakura Hosogi | 4-6,6-2,5-7 |