Stadium: Court 1 Round: 54 Ground: Hardcourt outdoor
| 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 W25 Makinohara | 2019/10/09 02:10 | Honoka Kobayashi v Erina Hayashi | 2-6,4-6 |
| Hiroshima, Japon | 2019/09/08 02:00 | Erina Hayashi v Fernandez, Leylah Annie | 0-6,4-6 |
| Kyoto, Qualifications Simples W-ITF-JPN-15A | 2019/09/03 02:25 | Erina Hayashi v Nagi Hanatani | 5-7,6-4,2-6 |
| ITF W25 Nanao | 2019/08/30 04:00 | Namigata, Junri v Erina Hayashi | 6-3,6-2 |
| ITF W25 Nanao | 2019/08/29 02:00 | Erina Hayashi v Yuki Naito | 7-6,6-3 |
| ITF W25 Nanao | 2019/08/27 04:55 | Erina Hayashi v Hiromi Abe | 6-4,3-6,6-0 |
| Toowoomba, Simples W-ITF-AUS-12A | 2019/10/07 00:00 | Misaki Matsuda v Ah San, Noelleda | 6-2,6-3 |
| Toowoomba, Simples W-ITF-AUS-12A | 2019/10/06 02:30 | Ah San, Noelleda v Amelia Fortescue | 6-7,6-4,10-3 |
| ITF W25 Cairns | 2019/09/16 01:30 | Ah San, Noelleda v Monique Barry | 4-6,1-6 |
| ITF W25 Cairns | 2019/09/15 03:00 | Amelia Fortescue v Ah San, Noelleda | 4-6,2-6 |
| Antalya, Qualifications Simples W-WITF-TUR-46A | 2017/12/17 07:45 | Silich, Alina v Ah San, Noelleda | 6-2,6-1 |
| Antalya, Qualifications Simples W-WITF-TUR-46A | 2017/12/10 07:15 | Ozturk, Zeynep Naz v Ah San, Noelleda | 6-2,6-1 |
| Antalya, Singles Qualifying W-WITF-TUR-08A | 2017/12/05 08:50 | Chihiro Muramatsu v Ah San, Noelleda | 6-0,6-0 |
| Antalya, Qualifications Simples W-WITF-TUR-46A | 2017/11/26 06:30 | Ah San, Noelleda v Mironova, Alexandra | 6-2,5-7,5-7 |