Stadium: Court 5 Round: 25 Ground: Synthetic outdoor
| ITF Women Hamamatsu | 2018/10/15 03:30 | Kanako Morisaki v Minami Shuto | 6-3,6-4 |
| ITF Women Hamamatsu | 2018/10/14 01:00 | Kanako Morisaki v Mami Hasegawa | 3-6,6-0,6-1 |
| 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 Makinohara | 2018/10/11 00:30 | Susan Bandecchi v Miharu Imanishi | 6-3,6-4 |
| ITF Women Makinohara | 2018/10/10 02:25 | Ari Matsumoto v Miharu Imanishi | 4-6,2-6 |
| ITF Women Obidos | 2018/10/02 11:30 | Miharu Imanishi v Gaia Sanesi | 5-7,6-7 |
| ITF Women Obidos | 2018/09/26 10:00 | Miharu Imanishi v Urszula Radwanska | 4-6,2-6 |
| WTA Tokyo | 2018/09/15 10:45 | Gabriela Dabrowski v Miharu Imanishi | 6-3,6-2 |
| WTA Hiroshima | 2018/09/09 07:40 | Urszula Radwanska v Miharu Imanishi | 7-6,6-1 |
| ITF Women Nanao | 2018/08/30 03:00 | Mai Hontama v Miharu Imanishi | 7-6,5-7,6-2 |
| ITF Women Nanao | 2018/08/29 03:30 | Megumi Nishimoto v Miharu Imanishi | 7-5,4-6,2-6 |