Stadium: Court 2 Round: 62
| ITF Women Osaka Qual | 2018/04/08 02:00 | Erina Hayashi v Mai Hontama | 6-0,6-4 |
| ITF Women Osaka Qual | 2018/04/08 01:00 | Erina Hayashi v Michiru Furuya | 6-3,6-3 |
| ITF Women Nishi-Tama | 2018/03/20 02:40 | Erina Hayashi v Ayaka Okuno | 0-6,7-6,3-6 |
| ITF Women Toyota Qual | 2018/03/10 01:00 | Aiko Yoshitomi v Erina Hayashi | 6-2,6-1 |
| ITF Women Mallorca | 2018/02/26 10:30 | Eden Silva v Erina Hayashi | 6-2,6-3 |
| ITF Women Mallorca | 2018/02/23 09:35 | Erina Hayashi v Isabella Shinikova | 2-6,7-5,1-6 |
| ITF Women Mallorca | 2018/02/20 14:00 | Isabel A Gallego v Erina Hayashi | 6-1,0-6,2-6 |
| ITF Women Mallorca | 2018/02/15 09:00 | Isabella Shinikova v Erina Hayashi | 4-6,6-1,6-3 |
| ITF Women Osaka Qual | 2018/04/08 03:30 | Moyuka Uchijima v Makoto Ninomiya | 3-6,4-6 |
| ITF Women Osaka Qual | 2018/04/08 01:00 | Haine Ogata v Makoto Ninomiya | 2-6,3-6 |
| ITF Women Kashiwa Qual | 2018/04/01 03:30 | Kai-Chen Chang v Makoto Ninomiya | 6-1,6-7,7-6 |
| ITF Women Canberra | 2018/03/27 03:30 | Kimberly Birrell v Makoto Ninomiya | 7-6,4-6,6-1 |
| ITF Women Canberra Qual | 2018/03/25 01:15 | Makoto Ninomiya v Beatrice Hetrel | 6-0,6-0 |
| ITF Women Canberra Qual | 2018/03/24 02:30 | Makoto Ninomiya v Darcy Parke | 6-0,6-0 |
| ITF Women Canberra Qual | 2018/03/18 23:00 | Kaylah McPhee v Makoto Ninomiya | 6-4,6-2 |
| ITF Women Canberra Qual | 2018/03/18 00:10 | Jelena Stojanovic v Makoto Ninomiya | 4-6,5-7 |