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