Stadium: Center Court Round: 44 Ground: Clay
| Changsha, Simples W-ITF-CHN-19A | 2019/09/05 02:00 | Cao, Siqi v Jia-Jing Lu | 2-6,2-6 |
| Changsha, Simples W-ITF-CHN-19A | 2019/09/04 06:25 | Liu, SI Qi v Cao, Siqi | 0-6,1-6 |
| Jinan, Qualifications Simples W-ITF-CHN-18A | 2019/08/27 05:00 | Cao, Siqi v Mei Xu Wu | 4-6,6-4,1-6 |
| Guiyang, Singles W-ITF-CHN-17A | 2019/08/19 02:00 | Yang, Ziyi v Cao, Siqi | 2-6,7-5,11-9 |
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/15 05:40 | Brouleau, Lou v Cao, Siqi | 6-0,6-2 |
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/14 03:15 | Cao, Siqi v Zhang, Yuxuan | 4-6,6-3,7-5 |
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/13 02:00 | Sun, Xu Liu v Cao, Siqi | 5-7,2-6 |
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/12 02:00 | Zhao, Cong Ying v Cao, Siqi | 4-6,3-6 |