Stadium: Court 1 Round: 45 Ground: Hardcourt outdoor
| ITF - W100 Tokyo | 2019/11/11 02:55 | Erina Hayashi v Choi, Ji-Hee | 2-6,6-2,10-5 |
| Shenzhen, Simples W-ITF-CHN-26A | 2019/11/04 03:50 | Erina Hayashi v Diane Parry | 3-6,4-6 |
| ITF W60 Playford | 2019/10/29 02:40 | Erina Hayashi v Myers, Abbie | 6-3,1-6,1-6 |
| ITF W60 Bendigo | 2019/10/22 23:00 | Erina Hayashi v Tomic, Sara | 6-7,0-6 |
| ITF W60 Bendigo | 2019/10/21 23:00 | Erina Hayashi v Laura Ashley | 4-6,6-1,6-10 |
| ITF W60 Bendigo | 2019/10/20 23:00 | Erina Hayashi v Ah San, Noelleda | 6-1,6-2 |
| ITF W25 Makinohara | 2019/10/11 00:30 | Paula Badosa v Erina Hayashi | 6-1,4-6,6-1 |
| ITF W25 Makinohara | 2019/10/10 02:35 | Eri Shimizu v Erina Hayashi | 5-7,1-6 |
| ITF - W100 Tokyo | 2019/11/11 02:15 | Akiyama, Minami v Michika Ozeki | 1-6,0-6 |
| ITF W25 Makinohara | 2019/10/08 04:10 | Nagi Hanatani v Michika Ozeki | 6-0,6-2 |
| Brisbane, Simples W-ITF-AUS-11A | 2019/10/03 00:00 | Chieh-Yu Hsu v Michika Ozeki | 6-4,6-3 |
| Brisbane, Simples W-ITF-AUS-11A | 2019/10/02 03:05 | Michika Ozeki v Alexandra Bozovic | 6-3,7-6 |
| Brisbane, Simples W-ITF-AUS-11A | 2019/10/01 00:00 | Ueda, Ramu v Michika Ozeki | 3-6,4-6 |
| Brisbane, Simples W-ITF-AUS-11A | 2019/09/30 00:00 | Alicia Smith v Michika Ozeki | 5-7,3-6 |
| Brisbane, Simples W-ITF-AUS-11A | 2019/09/29 00:00 | Olivia Gadecki v Michika Ozeki | 6-0,6-7,5-10 |
| ITF W60 Darwin | 2019/09/25 01:55 | Ya-Hsuan Lee v Michika Ozeki | 3-6,6-4,6-0 |