Stadium: Court 5 Round: 62 Ground: Synthetic outdoor
| ITF Women Makinohara | 2018/10/10 02:10 | Hua-Chen Lee v Kanako Morisaki | 6-1,7-6 |
| 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 | Kanako Morisaki v Anri Nagata | 6-4,6-2 |
| ITF Women Nanao | 2018/08/26 04:00 | Kanako Morisaki v Kanami Tsuji | 3-6,1-6 |
| ITF Women Tsukuba | 2018/08/23 00:30 | Kanako Morisaki v Momoko Kobori | 7-6,3-6,4-6 |
| ITF Women Tsukuba | 2018/08/22 00:30 | Kanako Morisaki v Mana Kawamura | 4-6,7-5,7-5 |
| ITF Women Daegu | 2018/06/20 01:00 | Haruka Kaji v Kanako Morisaki | 7-5,6-3 |
| ITF Women Daegu Qual | 2018/06/19 01:00 | Kanako Morisaki v Se-Hyun Kim | 1-6,6-3,6-4 |
| ITF Women Makinohara | 2018/10/07 00:30 | Mami Hasegawa v Mitsumi Kawasaki | 5-7,6-3,1-6 |
| ITF Women Kyoto | 2018/09/04 02:40 | Mami Hasegawa v Himeno Sakatsume | 3-6,4-6 |
| ITF Women Daegu Qual | 2018/06/18 01:00 | Mami Hasegawa v Se-Hyun Kim | 1-6,1-6 |
| ITF Women Daegu Qual | 2018/06/17 02:00 | Eun Se Jang v Mami Hasegawa | 2-6,3-6 |
| ITF Women Gyeongsan Qual | 2018/06/12 01:00 | Yeong Won Jeong v Mami Hasegawa | 6-4,7-6 |
| ITF Women Gyeongsan Qual | 2018/06/11 02:00 | Nagisa Morimoto v Mami Hasegawa | 6-4,2-6,2-6 |
| ITF Women Sangju Qual | 2018/06/04 05:00 | Mami Hasegawa v Jin Ju Lee | 4-6,4-6 |
| ITF Women Gifu Qual | 2018/04/29 01:00 | Satsuki Koike v Mami Hasegawa | 6-1,6-0 |