| ITF Women Osaka Qual | 2018/04/08 01:00 | Haine Ogata v Makoto Ninomiya | 2-6,3-6 |
| ITF Women Kofu Qual | 2018/03/24 04:00 | Haine Ogata v Julia Lohoff | 1-6,1-6 |
| ITF Women Nishi-Tama | 2018/03/17 01:00 | Akari Kakizawa v Haine Ogata | 6-2,6-3 |
| ITF Women Toyota Qual | 2018/03/10 03:00 | Haine Ogata v Chisa Hosonuma | 2-6,3-6 |
| ITF Women Sharm El Sheikh | 2018/01/29 08:00 | Nastja Kolar v Haine Ogata | 6-3,6-4 |
| ITF Women Sharm El Sheikh | 2018/01/28 08:00 | Haine Ogata v Giorgia Pinto | 6-0,2-6,7-5 |
| ITF Women Sharm El Sheikh | 2018/01/22 08:00 | Yexin Ma v Haine Ogata | 6-4,6-1 |
| ITF Women Sharm El Sheikh | 2018/01/21 09:00 | Haine Ogata v Marlies Szupper | 6-2,6-2 |