Stadium: Indoor 10 Round: 62 Ground: Synthetic outdoor
| ITF Women Hamamatsu | 2018/10/14 03:00 | Yuna Ohashi v Rion Itaya | 6-4,2-6,3-6 |
| ITF Women Nanao | 2018/08/29 07:00 | Naiktha Bains v Rion Itaya | 6-0,6-4 |
| ITF Women Toyota Qual | 2018/03/11 01:00 | Camilla Rosatello v Rion Itaya | 6-3,6-2 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Rion Itaya v Reina Takahashi | 6-3,6-4 |
| ITF Women Hamamatsu Qual | 2017/10/17 06:00 | Suzuho Oshino v Rion Itaya | 6-4,6-7,7-5 |
| ITF Women Hamamatsu Qual | 2017/10/16 02:00 | Rion Itaya v Mihoki Miyahara | 6-3,6-4 |
| ITF Women Nanao | 2017/08/29 01:00 | Aiko Yoshitomi v Rion Itaya | 2-6,7-6,6-4 |
| ITF Women Hamamatsu | 2018/10/14 03:50 | Asuka Yoshida v Ayumi Hirata | 6-7,6-3,7-5 |