Stadium: COURT A Round: 54 Ground: Synthetic outdoor
| ITF Women Kyoto | 2018/09/05 06:00 | Michika Ozeki v Ayumi Miyamoto | 6-1,6-2 |
| ITF Women Kyoto | 2018/09/04 10:15 | Jia Qi Ren v Ayumi Miyamoto | 4-6,4-6 |
| ITF Women Nanao | 2018/08/26 05:00 | Misa Okawa v Ayumi Miyamoto | 7-6,5-7,6-2 |
| ITF Women Tsukuba | 2018/08/19 03:00 | Haruna Arakawa v Ayumi Miyamoto | 4-6,6-4,6-1 |
| 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 Kyoto | 2018/09/05 03:30 | Anri Nagata v Mayuka Aikawa | 6-3,6-4 |
| ITF Women Kyoto | 2018/09/02 03:00 | Miyu Nakashima v Mayuka Aikawa | 4-6,4-6 |
| ITF Women Nanao | 2018/08/27 04:45 | Mayuka Aikawa v Kumi So | 2-6,4-6 |
| ITF Women Nanao | 2018/08/26 04:15 | Ivana Popovic v Mayuka Aikawa | 4-6,4-6 |
| ITF Women Nanao | 2018/08/26 01:00 | Mayuka Aikawa v Chinatsu Shimizu | 6-3,6-3 |
| ITF Women Evansville | 2018/07/25 17:25 | Savanna Ly-Nguyen v Mayuka Aikawa | 6-4,6-1 |
| ITF Women Evansville | 2018/07/24 14:00 | Caitlin Bernard v Mayuka Aikawa | 5-7,5-7 |
| ITF Women Evansville | 2018/07/23 15:00 | Vivian Mayumi Toma v Mayuka Aikawa | 1-6,0-6 |