Round: 54 Ground: Hardcourt outdoor
| ITF Women Taipei | 2018/07/25 05:30 | Ng, Kwan Yau v Kawasaki, Mitsumi | 6-4,6-4 |
| ITF Women Hong Kong | 2018/07/09 05:55 | Reina Takahashi v Kawasaki, Mitsumi | 6-0,7-5 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/12 01:00 | Tanaka, Yuuki v Kawasaki, Mitsumi | 6-0,6-2 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Kawasaki, Mitsumi v Rina Saigo | 1-6,2-6 |
| ITF Women Karuizawa Qual | 2018/05/20 02:30 | Kawasaki, Mitsumi v Akiyama, Minami | 6-3,6-3 |
| ITF Women Kurume Qual | 2018/05/14 04:30 | Kawasaki, Mitsumi v Nefedova, Anastasia Evgenyevna | 3-6,2-6 |
| ITF Women Kurume Qual | 2018/05/13 08:40 | Kawasaki, Mitsumi v Ayano Sonoda | 6-1,6-1 |
| ITF Women Fukuoka Qual | 2018/05/06 04:15 | Kawasaki, Mitsumi v Myers, Abbie | 1-6,2-6 |
| ITF Women Taipei | 2018/07/26 03:50 | Lisa-Marie Rioux v Eudice Chong | 3-6,6-7 |
| ITF Women Taipei | 2018/07/24 03:45 | Lisa-Marie Rioux v Hsieh, Yu-Ting | 6-0,6-3 |
| ITF Women Nonthaburi Qual | 2018/07/15 02:00 | Wushuang Zheng v Lisa-Marie Rioux | 6-1,6-1 |
| ITF Women Nonthaburi Qual | 2018/07/14 03:40 | Eunhye Lee v Lisa-Marie Rioux | 1-6,0-6 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/17 02:00 | Lisa-Marie Rioux v Doi, Misaki | 2-6,3-6 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/16 02:00 | Lisa-Marie Rioux v Shiori Fukuda | 6-2,6-2 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/15 04:30 | Ayano Shimizu v Lisa-Marie Rioux | 6-4,2-6,4-6 |
| Kofu, Singles W-WITF-JPN-02A | 2018/06/14 04:20 | Lisa-Marie Rioux v Michika Ozeki | 7-5,7-5 |