Stadium: Court 8 Round: 54 Ground: Hardcourt outdoor
| Qujing, Simples W-ITF-CHN-15A | 2019/07/17 04:30 | Zhao, Cong Ying v Yidi Yang | 4-6,2-6 |
| Naiman, Simples W-ITF-CHN-12A | 2019/06/26 07:05 | Cao, Siqi v Hiroko Kuwata | 5-7,2-6 |
| Hengyang, Singles W-ITF-CHN-11A | 2019/06/12 06:30 | Xiaodi You v Cao, Siqi | 5-7,6-4,6-3 |
| Shenzhen, Simples W-ITF-CHN-10A | 2019/06/04 03:35 | Cao, Siqi v Ye, Qiu Yu | 2-6,6-4,6-10 |
| Shenzhen, Simples W-ITF-CHN-10A | 2019/06/03 05:25 | Cao, Siqi v Pang, Sarah | 6-0,6-0 |
| Luzhou, Simples W-ITF-CHN-09A | 2019/05/28 05:30 | Fang Ying Xun v Cao, Siqi | 2-6,6-2,6-4 |
| Wuhan, Simples W-ITF-CHN-08A | 2019/05/16 03:30 | Cao, Siqi v Jing-Jing Lu | 1-6,0-6 |
| Wuhan, Simples W-ITF-CHN-08A | 2019/05/15 05:45 | Yang, Ziyi v Cao, Siqi | 1-6,0-6 |
| Luan, Simples W-ITF-CHN-07A | 2019/05/06 03:10 | Cao, Siqi v Chengyiyi Yuan | 6-4,5-7,3-10 |