Stadium: Court 12 Round: 54
| ITF Women Kurume Qual | 2018/05/13 00:30 | Ayumi Miyamoto v Mai Hontama | 2-6,7-6,2-6 |
| ITF Women Fukuoka Qual | 2018/05/06 06:00 | Tara Moore v Ayumi Miyamoto | 6-4,6-2 |
| ITF Women Gifu Qual | 2018/04/29 06:45 | Kyoka Okamura v Ayumi Miyamoto | 6-7,7-6,7-6 |
| ITF Women Gifu Qual | 2018/04/29 03:15 | Ayumi Miyamoto v Yuki Naito | 6-2,7-5 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Ayumi Miyamoto v Xinyu Wang | 1-6,3-6 |
| ITF Women Osaka Qual | 2018/04/07 05:30 | Chihiro Takayama v Ayumi Miyamoto | 2-6,4-6 |
| ITF Women Kashiwa Qual | 2018/04/01 02:00 | Miyabi Inoue v Ayumi Miyamoto | 6-4,7-5 |
| ITF Women Kofu Qual | 2018/03/24 03:00 | Ayumi Miyamoto v Rika Fujiwara | 7-6,0-6,2-6 |
| ITF Women Karuizawa Qual | 2018/05/20 01:00 | Natsuho Nakazawa v Akari Inoue | 6-2,3-6,6-4 |
| ITF Women Nishi-Tama | 2018/03/22 03:00 | Natsuho Nakazawa v Ling Zhang | 1-6,6-2,3-6 |
| ITF Women Nishi-Tama | 2018/03/21 06:15 | Natsuho Nakazawa v Misaki Matsuda | 7-5,6-3 |
| ITF Women Nishi-Tama | 2017/03/22 04:55 | Natsuho Nakazawa v Kyoka Okamura | 3-6,0-6 |
| ITF Women Hamamatsu Qual | 2016/10/15 05:00 | Yukina Saigo v Natsuho Nakazawa | 6-2,3-6,6-2 |