Stadium: I Round: 25 Ground: Hardcourt outdoor
| ITF Women Toyota Qual | 2018/03/10 03:00 | Miyabi Inoue v Haruna Arakawa | 6-3,6-0 |
| ITF Women Yokohama Qual | 2018/03/04 05:30 | Katherine Sebov v Haruna Arakawa | 6-1,7-6 |
| ITF Women Antalya | 2018/02/15 08:35 | Haruna Arakawa v Rebecca Marino | 1-6,3-6 |
| ITF Women Antalya | 2018/02/07 08:30 | Raluca Georgiana Serban v Haruna Arakawa | 6-4,6-1 |
| ITF Women Antalya | 2018/01/30 07:30 | Natalia Vajdova v Haruna Arakawa | 6-2,6-3 |
| ITF Women Navi Mumbai Qual | 2017/12/16 07:55 | Jacqueline Cabaj Awad v Haruna Arakawa | 5-7,2-6 |
| ITF Women Pune Qual | 2017/12/10 08:20 | Haruna Arakawa v Elena Bogdan | 1-6,1-6 |
| ITF Women Pune Qual | 2017/12/09 05:50 | Ekaterina Yashina v Haruna Arakawa | 4-6,6-4,3-6 |
| ITF Women Nishi-Tama | 2018/03/19 01:00 | Kanako Morisaki v Akari Inoue | 6-1,6-2 |
| ITF Women Nishi-Tama | 2018/03/18 03:00 | Kanako Morisaki v Erika Matsuda | 6-1,6-4 |
| ITF Women Nishi-Tama | 2018/03/17 05:30 | Kanako Morisaki v Sakura Hondo | 6-2,6-1 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Kanako Morisaki v Risa Ushijima | 3-6,1-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Akiko Omae v Kanako Morisaki | 6-7,3-6 |
| ITF Women Tsukuba | 2017/08/22 00:40 | Kanako Morisaki v Dabin Kim | 1-6,2-6 |
| ITF Women Karuizawa | 2017/05/26 04:30 | Kanako Morisaki v Tammi Patterson | 0-6,1-6 |
| ITF Women Karuizawa | 2017/05/26 01:00 | Mai Minokoshi v Kanako Morisaki | 6-3,1-6,4-6 |