Stadium: Court 1 Round: 26 Ground: Hardcourt outdoor
| ITF Women Nonthaburi | 2018/07/09 02:00 | Risa Ozaki v Sunam Jeong | 4-6,6-4,6-4 |
| ITF Women Hong Kong | 2018/06/19 02:00 | Jovana Jaksic v Risa Ozaki | 6-2,3-6,6-1 |
| ITF Women Singapore | 2018/06/16 03:00 | Julia Glushko v Risa Ozaki | 1-6,6-1,6-4 |
| ITF Women Singapore | 2018/06/15 08:00 | Risa Ozaki v Haruka Kaji | 2-6,6-0,6-4 |
| ITF Women Singapore | 2018/06/14 03:00 | Ji-Hee Choi v Risa Ozaki | 1-6,1-6 |
| ITF Women Singapore | 2018/06/13 04:05 | Priscilla Heise v Risa Ozaki | 1-6,2-6 |
| ITF Women Singapore | 2018/06/11 02:00 | Tereza Mihalikova v Risa Ozaki | 3-6,6-7 |
| ITF Women Hua Hin | 2018/06/07 02:30 | Karman Kaur Thandi v Risa Ozaki | 3-6,6-2,6-4 |
| ITF Women Nonthaburi | 2018/07/10 02:00 | Kai-Chen Chang v Chanikarn Silakul | 6-1,6-1 |
| ITF Women Daegu | 2018/06/23 02:00 | Kai-Chen Chang v Na-Lae Han | 3-6,3-6 |
| ITF Women Daegu | 2018/06/22 03:00 | Olivia Tjandramulia v Kai-Chen Chang | 1-6,4-6 |
| ITF Women Daegu | 2018/06/21 01:00 | Aiko Yoshitomi v Kai-Chen Chang | 6-7,1-6 |
| ITF Women Daegu | 2018/06/20 02:45 | Michika Ozeki v Kai-Chen Chang | 2-6,3-6 |
| ITF Women Kofu | 2018/06/15 04:30 | Mai Hontama v Kai-Chen Chang | 6-3,6-3 |
| ITF Women Kofu | 2018/06/14 01:00 | Ayumi Miyamoto v Kai-Chen Chang | 3-6,7-5,4-6 |
| ITF Women Kofu | 2018/06/13 02:45 | Ari Matsumoto v Kai-Chen Chang | 2-6,6-7 |