Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF W25 Makinohara | 2019/10/09 04:00 | Mayuka Aikawa v Eri Shimizu | 0-6,1-6 |
| ITF W25 Tokyo | 2023/06/01 02:25 | Mayuka Aikawa v Shiho Akita | 6-3,7-6 |
| ITF W25 Tokyo | 2023/05/30 01:30 | Momoko Kobori v Mayuka Aikawa | 3-6,1-6 |
| ITF W25 Goyang | 2023/05/23 02:40 | Kyoka Okamura v Mayuka Aikawa | 3-6,6-3,6-4 |
| ITF W25 Incheon | 2023/05/18 06:15 | Mayuka Aikawa v Dayeon Back | 2-6,4-6 |
| ITF W25 Incheon | 2023/05/17 03:40 | Mayuka Aikawa v Sunam Jeong | 0-6,6-2,7-5 |
| ITF W15 Osaka | 2023/04/21 01:00 | Mayuka Aikawa v Aoi Ito | 0-6,3-6 |
| ITF W15 Osaka | 2023/04/20 03:00 | Mayuka Aikawa v Lisa-Marie Rioux | 7-5,6-4 |
| ITF W15 Osaka | 2023/04/19 05:00 | Mayuka Aikawa v Nana Kawagishi | 6-1,6-4 |
| ITF W25 Tokyo | 2023/06/01 01:00 | Yukina Saigo v Eri Shimizu | 4-6,6-4,2-6 |
| ITF W25 Tokyo | 2023/05/30 01:30 | Kanako Morisaki v Eri Shimizu | 6-3,5-7,5-7 |
| ITF W25 Karuizawa | 2023/05/26 00:30 | Eri Shimizu v Mio Mushika | 5-7,6-3,3-6 |
| ITF W25 Karuizawa | 2023/05/25 00:30 | Eri Shimizu v Mei Hasegawa | 6-0,6-4 |
| ITF W60 Kurume | 2023/05/18 00:30 | Yafan Wang v Eri Shimizu | 6-2,6-0 |
| ITF W60 Kurume | 2023/05/17 01:00 | Natsumi Kawaguchi v Eri Shimizu | 3-6,4-6 |
| ITF W60 Fukuoka | 2023/05/11 02:10 | Katie Boulter v Eri Shimizu | 6-1,6-0 |
| ITF W60 Fukuoka | 2023/05/10 01:00 | Michika Ozeki v Eri Shimizu | 4-6,3-6 |