| ITF W15 Kawaguchi | 06/13 00:00 | 54 | Higashitani, Nagomi v Hikari Yamamoto | 6-2,4-6,10-6 | |
| ITF W15 Kashiwa | 06/08 03:00 | 26 | Yoshioka, Kisa v Hikari Yamamoto | 6-3,6-4 | |
| ITF W15 Kashiwa | 06/06 01:00 | 25 | Hikari Yamamoto v 사토, 히마리 | 6-7,6-3,7-5 | |
| Osaka, Singles W-ITF-JPN-02A | 04/17 02:00 | 54 | 우시지마, 리사 v Hikari Yamamoto | 6-4,6-0 |