Stadium: COURT B Round: 27 Ground: Synthetic outdoor
| ITF Women Karuizawa | 2018/05/22 01:00 | Ayumi Miyamoto v Michika Ozeki | 6-1,6-1 |
| ITF Women Kofu | 2018/06/14 01:00 | Ayumi Miyamoto v Kai-Chen Chang | 3-6,7-5,4-6 |
| ITF Women Kofu | 2018/06/12 02:50 | Ayumi Miyamoto v Mana Kawamura | 3-6,6-1,7-5 |
| ITF Women Kofu Qual | 2018/06/10 00:00 | Ayumi Miyamoto v Hikaru Sato | 6-1,6-0 |
| ITF Women Kofu Qual | 2018/06/09 04:00 | Ayumi Miyamoto v Funa Kozaki | 6-2,6-2 |
| ITF Women Karuizawa | 2018/05/24 04:15 | Ayumi Miyamoto v Sakura Hondo | 5-7,1-6 |
| ITF Women Karuizawa | 2018/05/22 01:00 | Ayumi Miyamoto v Michika Ozeki | 6-1,6-1 |
| ITF Women Karuizawa Qual | 2018/05/21 01:00 | Ayumi Miyamoto v Natsuho Nakazawa | 6-1,6-2 |
| ITF Women Kurume Qual | 2018/05/13 00:30 | Ayumi Miyamoto v Mai Hontama | 2-6,7-6,2-6 |
| ITF Women Solo | 2018/07/11 02:30 | Rifanty Kahfiani v Michika Ozeki | 6-2,6-4 |
| ITF Women Solo | 2018/07/10 06:00 | Suryaningsih Suryaningsih v Michika Ozeki | 1-6,1-6 |
| ITF Women Daegu | 2018/06/20 02:45 | Michika Ozeki v Kai-Chen Chang | 2-6,3-6 |
| ITF Women Kofu | 2018/06/14 04:20 | Lisa-Marie Rioux v Michika Ozeki | 7-5,7-5 |
| ITF Women Kofu | 2018/06/12 03:05 | Michika Ozeki v Misa Eguchi | 6-1,3-6,6-3 |
| ITF Women Singapore | 2018/06/05 02:00 | Jovana Jaksic v Michika Ozeki | 6-3,6-1 |
| ITF Women Singapore Qual | 2018/06/03 02:00 | Michika Ozeki v Yee Loon Goh | 6-2,6-1 |
| ITF Women Karuizawa | 2018/05/22 01:00 | Ayumi Miyamoto v Michika Ozeki | 6-1,6-1 |