| ITF Women Nanjing | 2018/03/20 05:20 | Siqi Cao v Fang Ying Xun | 1-6,1-6 |
| ITF Women Xiamen | 2018/02/26 02:00 | Siqi Cao v Yuqi Sheng | 5-7,2-6 |
| ITF Women Xiamen | 2018/02/25 04:30 | Siqi Cao v Xinyu Cai | 4-6,6-3,6-3 |
| ITF Women Shenzhen | 2017/11/07 04:00 | Lin Zhu v Siqi Cao | 6-2,6-0 |
| ITF Women Liuzhou | 2017/10/24 03:50 | Dalila Jakupovic v Siqi Cao | 6-3,6-0 |
| ITF Women Hua Hin Qual | 2017/09/24 14:05 | Andrea Ka v Siqi Cao | 7-6,6-1 |
| ITF Women Hua Hin Qual | 2017/09/23 05:50 | Siqi Cao v Thitirat Kanaphuet | 6-4,6-2 |
| ITF Women Hua Hin | 2017/09/19 03:00 | Tamaryn Hendler v Siqi Cao | 6-0,6-2 |