Stadium: Court 2 Round: 25 Ground: Hardcourt outdoor
| Osaka, Singles W-ITF-JPN-02A | 2019/02/27 01:00 | Kozaki, Mio v Imanishi, Miharu | 0-6,0-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Miyamoto, Ayumi v Kozaki, Mio | 6-2,6-3 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/22 01:00 | Hibi, Mayo v Stephanie Wagner | 6-1,3-6,2-6 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/21 02:00 | Cepelova, Jana v Hibi, Mayo | 1-6,5-7 |
| Kofu, Qualifications Simples W-ITF-JPN-05A | 2019/03/20 05:15 | Hibi, Mayo v Burrage, Jodie Anna | 6-0,4-6,6-2 |
| Nishi-Tama, Simples W-ITF-JPN-04A | 2019/03/14 02:40 | Ayano Shimizu v Hibi, Mayo | 6-2,6-3 |
| Nishi-Tama, Simples W-ITF-JPN-04A | 2019/03/13 05:05 | Hibi, Mayo v Francesca Jones | 6-4,6-0 |
| ITF W25 Yokohama | 2019/03/07 05:10 | Naho Sato v Hibi, Mayo | 6-3,6-4 |
| ITF W25 Yokohama | 2019/03/06 06:15 | Ozaki, Risa v Hibi, Mayo | 6-3,3-6,2-6 |
| WTA - Indian Wells | 2019/02/25 18:00 | Hibi, Mayo v Ena Shibahara | 6-2,3-6,4-6 |