Stadium: Court 1 Round: 25 Ground: Hardcourt outdoor
| ITF - W60 Kyoto | 2020/02/22 00:45 | Fang Ying Xun v Erina Hayashi | 6-1,6-2 |
| ITF - W60 Kyoto | 2020/02/21 01:00 | Erina Hayashi v Risa Ushijima | 6-0,6-2 |
| ITF - W60 Kyoto | 2020/02/20 02:10 | Kyoka Okamura v Erina Hayashi | 1-6,6-4,4-6 |
| ITF - W60 Kyoto | 2020/02/19 04:00 | Haruna Arakawa v Erina Hayashi | 6-2,2-6,6-7 |
| ITF - W60 Kyoto | 2020/02/17 08:00 | Erina Hayashi v Yuka Hosoki | 7-6,6-2 |
| ITF - W60 Kyoto | 2020/02/17 03:45 | Erina Hayashi v Megumi Nishimoto | 6-1,6-2 |
| ITF - W25 Hongkong | 2020/01/09 04:15 | Anastasiya Komardina v Erina Hayashi | 6-2,6-2 |
| ITF - W25 Hongkong | 2020/01/08 08:50 | Sofya Lansere v Erina Hayashi | 6-1,5-7,3-6 |
| ITF - W15 Cancun | 2020/02/16 14:00 | Dasha Ivanova v Maria Lourdes Carle | 4-6,0-6 |
| ITF - W15 Cancun | 2020/02/15 14:00 | Thaisa Grana Pedretti v Dasha Ivanova | 4-6,5-7 |
| ITF - W15 Cancun | 2020/02/14 14:00 | Dasha Ivanova v Mayuka Aikawa | 6-2,6-2 |
| ITF - W15 Cancun | 2020/02/13 15:40 | Dasha Ivanova v Eugenia Ganga | 6-2,7-5 |
| ITF - W15 Cancun | 2020/02/12 16:35 | Dasha Ivanova v Misa Malkin | 6-2,6-4 |
| ITF - W15 Cancun | 2020/02/08 15:30 | Verena Meliss v Dasha Ivanova | 6-4,6-1 |
| ITF - W15 Cancun | 2020/02/07 14:00 | Eduarda Piai v Dasha Ivanova | 1-6,2-6 |
| ITF - W15 Cancun | 2020/02/06 15:35 | Keisha R. Clousing v Dasha Ivanova | 3-6,4-6 |