Stadium: COURT C Round: 26 Ground: Synthetic outdoor
| ITF Women Makinohara | 2018/10/09 00:30 | Haruna Arakawa v Honoka Uchiyama | 6-0,6-1 |
| ITF Women Brisbane | 2018/10/01 02:00 | Chihiro Muramatsu v Haruna Arakawa | 6-1,6-4 |
| ITF Women Brisbane | 2018/09/30 07:00 | Yuki Kristina Chiang v Haruna Arakawa | 4-6,3-6 |
| ITF Women Brisbane | 2018/09/30 05:00 | Isabella Bozicevic v Haruna Arakawa | 3-6,4-6 |
| ITF Women Kyoto | 2018/09/08 03:30 | Haruna Arakawa v Himeno Sakatsume | 6-3,3-6,1-6 |
| ITF Women Kyoto | 2018/09/07 03:30 | Haruna Arakawa v Michika Ozeki | 6-3,6-3 |
| ITF Women Kyoto | 2018/09/06 01:00 | Haruna Arakawa v Mitsumi Kawasaki | 6-0,6-3 |
| ITF Women Kyoto | 2018/09/05 04:55 | Haruna Arakawa v Anri Nagata | 6-2,6-2 |
| ITF Women Makinohara | 2018/10/09 00:30 | Marina Yudanov v Shiho Akita | 2-6,2-6 |
| ITF Women Nanao | 2018/08/30 03:00 | Jia-Jing Lu v Shiho Akita | 6-3,7-5 |
| ITF Women Nanao | 2018/08/29 06:40 | Shiho Akita v Riko Sawayanagi | 6-7,6-1,7-5 |
| ITF Women Tsukuba | 2018/08/22 00:30 | Shiho Akita v Risa Ushijima | 2-6,2-6 |
| ITF Women Nonthaburi | 2018/08/13 02:00 | Michika Ozeki v Shiho Akita | 6-1,6-2 |
| ITF Women Nonthaburi | 2018/08/06 02:30 | Shiho Akita v Rutuja Bhosale | 6-4,1-6,6-2 |
| ITF Women Granby | 2018/07/24 22:25 | Astra Sharma v Shiho Akita | 7-6,6-1 |
| ITF Women Gatineau | 2018/07/16 14:00 | Sophie Chang v Shiho Akita | 6-4,5-7,6-1 |