Ground: Synthetic outdoor
| UTR Pro Yokohama Women | 2025/03/07 05:45 | Rion Itaya v Sayuri Hata | 6-2,4-6,6-3 |
| UTR Pro Yokohama Women | 2025/03/06 07:15 | Nagomi Higashitani v Rion Itaya | 6-3,7-6 |
| UTR Pro Yokohama Women | 2025/03/06 02:40 | Mana Ayukawa v Rion Itaya | 6-2,6-1 |
| UTR Pro Yokohama Women | 2025/03/04 01:45 | Natsumi Shioya v Rion Itaya | 4-6,6-4,6-4 |
| ITF W15 Hinode | 2024/03/17 05:00 | Rion Itaya v Yui Chikaraishi | 4-6,2-6 |
| ITF W40 Nanao | 2023/09/27 02:20 | Aoi Ito v Rion Itaya | 6-3,7-6 |
| ITF Women Hamamatsu | 2018/10/15 04:35 | Rion Itaya v Asuka Yoshida | 2-6,5-7 |
| ITF Women Hamamatsu | 2018/10/14 03:00 | Yuna Ohashi v Rion Itaya | 6-4,2-6,3-6 |
| ITF W35 Makinohara | 2025/10/28 00:30 | Mio Mushika v Eri Shimizu | 7-6,5-7,0-0 |
| ITF W100 Incheon | 2025/09/25 03:30 | Nao Hibino v Eri Shimizu | 6-3,6-4 |
| ITF W100 Incheon | 2025/09/23 07:00 | Eri Shimizu v Chihiro Muramatsu | 6-3,5-2 |
| ITF W35 Nakhon Pathom | 2025/09/04 04:02 | Eri Shimizu v Eunhye Lee | 3-6,2-6 |
| ITF W35 Nakhon Pathom | 2025/09/02 02:00 | Tanuchaporn Yongmod v Eri Shimizu | 0-6,0-1 |
| ITF W35 Nakhon Pathom | 2025/08/30 02:00 | Patcharin Cheapchandej v Eri Shimizu | 6-1,2-6,7-5 |
| ITF W35 Nakhon Pathom | 2025/08/29 03:30 | Eri Shimizu v Eunhye Lee | 7-5,6-2 |
| ITF W35 Nakhon Pathom | 2025/08/28 06:32 | Rina Saigo v Eri Shimizu | 6-3,5-7,4-6 |