Stadium: Court 20 Round: 45 Ground: Hardcourt outdoor
| ITF W25 Rancho Santa Fe | 2019/02/20 18:00 | Sachia Vickery v Mayo Hibi | 6-3,6-4 |
| ITF W25 Surprise | 2019/02/15 17:30 | Hua-Chen Lee v Mayo Hibi | 6-1,6-1 |
| ITF W25 Surprise | 2019/02/13 20:35 | Carolina Alves v Mayo Hibi | 4-6,2-6 |
| ITF W100 Midland | 2019/01/29 19:00 | Mayo Hibi v Marie Bouzkova | 7-5,2-6,3-6 |
| WTA Newport Beach | 2019/01/23 18:00 | Mayo Hibi v Claire Liu | 2-6,1-6 |
| WTA Newport Beach | 2019/01/21 21:55 | Anna Danilina v Mayo Hibi | 4-6,4-6 |
| WTA Taipei | 2018/11/11 03:45 | Elena-Gabriela Ruse v Mayo Hibi | 7-6,2-6,6-4 |
| WTA Luxembourg | 2018/10/13 16:25 | Kristyna Pliskova v Mayo Hibi | 6-4,6-1 |
| ITF W25 Rancho Santa Fe | 2019/02/18 18:00 | Chihiro Muramatsu v Ena Shibahara | 3-6,6-1,10-6 |
| ITF Women Norman | 2018/11/13 18:50 | Ena Shibahara v Ellie Douglas | 4-6,2-6 |
| ITF Women Norman | 2018/11/11 16:00 | Lisa-Marie Rioux v Ena Shibahara | 0-6,2-6 |
| ITF Women Norman | 2018/11/10 16:00 | Ena Shibahara v Rosalyn Small | 6-0,6-0 |
| ITF Women Lawrence | 2018/11/09 17:00 | Catherine Harrison v Ena Shibahara | 0-6,6-3,7-6 |
| ITF Women Lawrence | 2018/11/08 16:00 | Chieh-Yu Hsu v Ena Shibahara | 4-6,2-6 |
| ITF Women Lawrence | 2018/11/07 15:00 | Ena Shibahara v Dalma Galfi | 6-4,6-4 |
| ITF Women Lawrence | 2018/11/06 15:00 | Sofia Smagina v Ena Shibahara | 6-7,3-6 |