Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| ITF Women Nonthaburi | 2018/07/11 02:00 | Risa Ozaki v Kai-Chen Chang | 6-2,6-4 |
| 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 Nonthaburi | 2018/07/11 04:05 | Patcharin Cheapchandej v Hiroko Kuwata | 1-6,3-6 |
| ITF Women Nonthaburi | 2018/07/09 02:00 | Aunchisa Chanta v Hiroko Kuwata | 7-6,4-6,2-6 |
| ITF Women Naiman | 2018/07/03 03:25 | Hiroko Kuwata v Gozal Ainitdinova | 2-6,6-2,5-7 |
| ITF Women Hong Kong | 2018/06/19 02:00 | Eudice Chong v Hiroko Kuwata | 1-6,6-4,7-5 |
| ITF Women Singapore | 2018/06/14 03:00 | Haruka Kaji v Hiroko Kuwata | 6-3,6-4 |
| ITF Women Singapore | 2018/06/13 03:00 | Hiroko Kuwata v Pei-Chi Lee | 6-1,6-4 |
| ITF Women Singapore | 2018/06/12 06:20 | Hiroko Kuwata v So-Ra Lee | 6-2,7-6 |
| ITF Women Singapore | 2018/06/09 03:00 | Hiroko Kuwata v Jovana Jaksic | 7-6,6-0 |