Stadium: COURT 4 Round: 45 Ground: Grass
| ITF W80 Gifu | 2019/05/02 03:35 | Kyoka Okamura v Mayo Hibi | 6-3,2-6,6-4 |
| ITF W80 Gifu | 2019/05/01 02:00 | Haruka Kaji v Mayo Hibi | 6-7,1-6 |
| ITF W25 Osaka | 2019/04/13 01:30 | Xiyu Wang v Mayo Hibi | 7-5,4-6,6-3 |
| ITF W25 Osaka | 2019/04/12 02:30 | Rebecca Marino v Mayo Hibi | 2-6,3-6 |
| ITF W25 Osaka | 2019/04/11 05:45 | Pranjala Yadlapalli v Mayo Hibi | 1-6,3-6 |
| ITF W25 Osaka | 2019/04/09 02:50 | Funa Kozaki v Mayo Hibi | 0-6,3-6 |
| ITF W25 Kashiwa | 2019/04/05 03:20 | Mayo Hibi v Rebecca Marino | 4-6,4-6 |
| ITF W25 Kashiwa | 2019/04/04 04:05 | Mayo Hibi v Erika Sema | 6-0,7-5 |