Stadium: COURT 4 Round: 45 Ground: Grass
| Gifu, Singles W-ITF-JPN-09A | 2019/05/02 03:35 | Kyoka Okamura v Hibi, Mayo | 6-3,2-6,6-4 |
| Gifu, Singles W-ITF-JPN-09A | 2019/05/01 02:00 | Haruka Kaji v Hibi, Mayo | 6-7,1-6 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/13 01:30 | Xiyu Wang v Hibi, Mayo | 7-5,4-6,6-3 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/12 02:30 | Rebecca Marino v Hibi, Mayo | 2-6,3-6 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/11 05:45 | Yadlapalli, Pranjala v Hibi, Mayo | 1-6,3-6 |
| Osaka, Singles W-ITF-JPN-02A | 2019/04/09 02:50 | Funa Kozaki v Hibi, Mayo | 0-6,3-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/05 03:20 | Hibi, Mayo v Rebecca Marino | 4-6,4-6 |
| Kashiwa, Qualifications Simples W-ITF-JPN-07A | 2019/04/04 04:05 | Hibi, Mayo v Erika Sema | 6-0,7-5 |