Stadium: Center Court Round: 44 Ground: Clay
| ITF W60 Changsha | 2019/09/05 02:00 | Siqi Cao v Jia-Jing Lu | 2-6,2-6 |
| ITF W60 Changsha | 2019/09/04 06:25 | Si Qi Liu v Siqi Cao | 0-6,1-6 |
| ITF W60 Jinan | 2019/08/27 05:00 | Siqi Cao v Mei Xu Wu | 4-6,6-4,1-6 |
| ITF W25 Guiyang | 2019/08/19 02:00 | Ziyi Yang v Siqi Cao | 2-6,7-5,11-9 |
| ITF W25 Huangshan | 2019/08/15 05:40 | Lou Brouleau v Siqi Cao | 6-0,6-2 |
| ITF W25 Huangshan | 2019/08/14 03:15 | Siqi Cao v Yuxuan Zhang | 4-6,6-3,7-5 |
| ITF W25 Huangshan | 2019/08/13 02:00 | Xu Liu Sun v Siqi Cao | 5-7,2-6 |
| ITF W25 Huangshan | 2019/08/12 02:00 | Cong Ying Zhao v Siqi Cao | 4-6,3-6 |