Stadium: Court 2 Round: 27 Ground: Hardcourt outdoor
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/11 02:00 | Ozaki, Risa v Chang, Kai-Chen | 6-2,6-4 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 02:00 | Ozaki, Risa v Jeong, Sunam | 4-6,6-4,6-4 |
| ITF Women Hong Kong | 2018/06/19 02:00 | Jovic, J. v Ozaki, Risa | 6-2,3-6,6-1 |
| ITF Women Singapore | 2018/06/16 03:00 | Glushko, Julia v Ozaki, Risa | 1-6,6-1,6-4 |
| ITF Women Singapore | 2018/06/15 08:00 | Ozaki, Risa v Haruka Kaji | 2-6,6-0,6-4 |
| ITF Women Singapore | 2018/06/14 03:00 | Choi, Ji-Hee v Ozaki, Risa | 1-6,1-6 |
| ITF Women Singapore | 2018/06/13 04:05 | Heise, Priscilla v Ozaki, Risa | 1-6,2-6 |
| ITF Women Singapore | 2018/06/11 02:00 | Mihalikova, Tereza v Ozaki, Risa | 3-6,6-7 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/11 04:05 | Patcharin Cheapchandej v Hiroko Kuwata | 1-6,3-6 |
| Nonthaburi, Simples W-WITF-THA-09A | 2018/07/09 02:00 | Chanta, Aunchisa v Hiroko Kuwata | 7-6,4-6,2-6 |
| ITF Women Naiman | 2018/07/03 03:25 | Hiroko Kuwata v Ainitdinova, Gozal | 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 Lee, Pei-Chei | 6-1,6-4 |
| ITF Women Singapore | 2018/06/12 06:20 | Hiroko Kuwata v Lee, So-Ra | 6-2,7-6 |
| ITF Women Singapore | 2018/06/09 03:00 | Hiroko Kuwata v Jovic, J. | 7-6,6-0 |