Stadium: A 9 Round: 25 Ground: Synthetic outdoor
| ITF - Karuizawa W25 | 2019/05/21 04:00 | Erina Hayashi v Hiromi Abe | 6-2,6-3 |
| ITF W25 Tsukuba | 2019/08/22 02:20 | Momoko Kobori v Erina Hayashi | 7-6,7-5 |
| ITF W25 Tsukuba | 2019/08/20 04:55 | Yuuki Tanaka v Erina Hayashi | 6-1,3-6,2-6 |
| ITF W25 Taipei | 2019/07/31 02:00 | Erina Hayashi v Haruka Kaji | 4-6,2-6 |
| ITF - Aschaffenburg W25 | 2019/07/18 11:00 | Erina Hayashi v Ekaterina Makarova | 1-6,2-6 |
| ITF - Aschaffenburg W25 | 2019/07/17 14:25 | Quirine Lemoine v Erina Hayashi | 2-6,4-6 |
| ITF W25 Biella | 2019/07/02 10:30 | Erina Hayashi v Laura Pigossi | 6-7,3-6 |
| ITF W25 Biella | 2019/07/01 08:00 | Erina Hayashi v Marie Mettraux | 6-4,6-4 |
| ITF - Tarvisio W25 | 2019/06/25 09:25 | Erina Hayashi v Rasheeda McAdoo | 3-6,6-2,11-13 |
| ITF - Nanao W25 | 2019/08/26 01:00 | Hiromi Abe v Yuka Hosoki | 6-0,6-3 |
| ITF - Nanao W25 | 2019/08/25 03:00 | Hiromi Abe v Utaka Kishigami | 6-4,6-3 |
| ITF W25 Tsukuba | 2019/08/22 02:40 | Hiromi Abe v Kyoka Okamura | 6-3,3-6,1-6 |
| ITF W25 Tsukuba | 2019/08/21 00:30 | Hiromi Abe v Miyabi Inoue | 6-2,6-2 |
| ITF - Karuizawa W25 | 2019/05/21 04:00 | Erina Hayashi v Hiromi Abe | 6-2,6-3 |
| ITF - Karuizawa W25 | 2019/05/20 01:00 | Satona Yada v Hiromi Abe | 1-6,1-6 |
| ITF - Kurume W60 | 2019/05/13 00:30 | Hiromi Abe v Mei Yamaguchi | 1-6,1-6 |
| ITF - Kyoto W60 | 2019/02/18 05:15 | Hiromi Abe v Kyoka Okamura | 4-6,4-6 |