| ITF Women Perth Qual | 2018/02/10 01:00 | Natasha Camer-Pesci v Maryna Chernyshova | 1-6,0-6 |
| ITF Women Perth Qual | 2018/02/17 02:00 | Risa Ushijima v Alexandra Bozovic | 3-6,6-3,6-2 |
| ITF Women Perth Qual | 2018/02/12 04:50 | Varunya Wongteanchai v Risa Ushijima | 0-6,6-2,7-5 |
| ITF Women Perth Qual | 2018/02/11 02:00 | Isabella Bozicevic v Risa Ushijima | 0-6,2-6 |
| ITF Women Perth Qual | 2018/02/10 01:00 | Ivana Popovic v Risa Ushijima | 4-6,2-6 |
| ITF Women Launceston Qual | 2018/02/04 04:10 | Olivia Tjandramulia v Risa Ushijima | 6-2,7-6 |
| ITF Women Hong Kong | 2018/01/04 02:00 | Risa Ushijima v Hiroko Kuwata | 2-6,0-6 |
| ITF Women Hong Kong | 2018/01/03 03:20 | Hong Yi Cody Wong v Risa Ushijima | 6-2,5-7,4-6 |
| ITF Women Hong Kong | 2018/01/01 03:35 | Risa Ushijima v Ayumi Koshiishi | 6-1,3-6,7-5 |