Stadium: C Round: 27 Ground: Hardcourt outdoor
| ITF Women Canberra | 2018/10/31 23:00 | Arina Rodionova v Ozaki, Risa | 6-4,6-7,3-6 |
| ITF Women Canberra | 2018/10/29 23:00 | Ozaki, Risa v Alana Parnaby | 6-3,6-3 |
| ITF Women Bendigo | 2018/10/23 00:45 | Ozaki, Risa v Destanee Aiava | 4-6,6-7 |
| ITF Women Brisbane | 2018/10/04 01:30 | Ozaki, Risa v Rutuja Bhosale | 1-6,7-5,2-6 |
| ITF Women Brisbane | 2018/10/02 02:20 | Bai, Alison v Ozaki, Risa | 3-6,2-6 |
| ITF Women Darwin | 2018/09/26 02:00 | Kimberly Birrell v Ozaki, Risa | 6-4,6-1 |
| WTA Tokyo | 2018/09/16 02:00 | Zarina Diyas v Ozaki, Risa | 6-1,6-0 |
| WTA Tokyo | 2018/09/15 04:15 | Ozaki, Risa v Zaja, Anna | 6-2,7-6 |
| ITF Women Canberra | 2018/10/31 23:00 | Seone Mendez v Astra Sharma | 2-6,3-6 |
| ITF Women Canberra | 2018/10/31 03:35 | Astra Sharma v Katy Dunne | 6-2,6-2 |
| ITF Women Bendigo | 2018/10/26 02:20 | Astra Sharma v Taylor, Gabriella | 4-6,5-7 |
| ITF Women Bendigo | 2018/10/25 00:50 | Burrage, Jodie Anna v Astra Sharma | 6-3,6-7,1-6 |
| ITF Women Bendigo | 2018/10/24 01:45 | Astra Sharma v Zlochova, Zuzana | 2-6,7-5,6-3 |
| ITF Women Bendigo | 2018/10/22 23:00 | Astra Sharma v Zakarlyuk, Marianna | 6-4,6-3 |
| ITF Women Bendigo | 2018/10/21 23:00 | Astra Sharma v Chiang, Yuki Kristina | 6-3,6-1 |
| ITF Women Bendigo | 2018/10/20 23:00 | Astra Sharma v Sabastiani Leon | 6-1,6-0 |