Stadium: C Round: 26
| 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 |
| Hiroshima, Japon | 2018/09/08 02:00 | Ozaki, Risa v Chihiro Muramatsu | 4-6,6-3,3-6 |
| Vancouver, Singles W-WITF-CAN-01A | 2018/08/13 17:00 | Ozaki, Risa v Martina Trevisan | 3-6,3-6 |
| Vancouver, Singles W-WITF-CAN-01A | 2018/08/12 19:10 | Ozaki, Risa v Emily Webley-Smith | 6-1,6-2 |
| ITF Women Landisville | 2018/08/08 15:35 | Anastasia Potapova v Ozaki, Risa | 2-6,6-4,6-0 |
| ITF Women Brisbane | 2018/10/03 01:45 | Rutuja Bhosale v Su Jeong Jang | 2-6,6-1,7-5 |
| ITF Women Brisbane | 2018/10/01 03:00 | Rutuja Bhosale v Freya Christie | 6-3,7-6 |
| ITF Women Brisbane | 2018/09/30 05:30 | Rutuja Bhosale v Farrow, Tallulah | 6-2,6-1 |
| ITF Women Darwin | 2018/09/25 00:30 | Rutuja Bhosale v Kyoka Okamura | 6-2,2-6,4-6 |
| ITF Women Darwin | 2018/09/24 00:30 | Rutuja Bhosale v Heisen, Vivian | 6-1,6-1 |
| ITF Women Darwin | 2018/09/23 03:35 | Rutuja Bhosale v Alicia Smith | 6-2,6-1 |
| ITF Women Cairns | 2018/09/20 02:40 | Rutuja Bhosale v Kaylah McPhee | 6-4,4-6,4-6 |
| ITF Women Cairns | 2018/09/18 01:40 | Brescia, Georgia v Rutuja Bhosale | 3-6,2-6 |