Stadium: Court A11 Round: 62 Ground: Synthetic outdoor
| 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 |
| ITF Women Evansville | 2018/07/22 14:00 | Mayuka Aikawa v Tara Malik | 6-2,6-4 |
| ITF Women Antalya | 2018/06/05 09:40 | Mayuka Aikawa v Francesca Bullani | 3-6,2-6 |
| ITF Women Antalya | 2018/05/29 07:30 | Kamilla Kokeladze v Mayuka Aikawa | 6-2,7-6 |
| ITF Women Antalya Qual | 2018/05/28 11:30 | Mayuka Aikawa v Emily Casteleyn | 6-4,6-1 |
| ITF Women Incheon Qual | 2018/05/15 01:00 | Mayuka Aikawa v Alicia Barnett | 4-6,4-6 |
| ITF Women Tsukuba | 2018/08/19 00:30 | Akiko Omae v Chinatsu Shimizu | 6-2,6-3 |
| ITF Women Kofu Qual | 2018/06/09 05:30 | Chinatsu Shimizu v Lisa-Marie Rioux | 5-7,3-6 |
| ITF Women Fukuoka Qual | 2018/05/07 01:00 | Olivia Tjandramulia v Chinatsu Shimizu | 7-5,6-3 |
| ITF Women Fukuoka Qual | 2018/05/06 02:50 | Michiru Furuya v Chinatsu Shimizu | 3-6,1-6 |
| ITF Women Gifu Qual | 2018/04/29 02:35 | Chinatsu Shimizu v Rika Fujiwara | 2-6,2-6 |
| ITF Women Osaka Qual | 2018/04/07 02:30 | Chinatsu Shimizu v Ramu Ueda | 1-6,4-6 |
| ITF Women Kofu Qual | 2018/03/24 03:00 | Chinatsu Shimizu v Mitsumi Kawasaki | 3-6,6-4,2-6 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Chinatsu Shimizu v Yuika Sano | 2-6,4-6 |