Stadium: Court 1 Round: 44 Ground: Hardcourt outdoor
| ITF W25 Shenzhen | 2019/06/03 05:15 | Ziyue Sun v Xiaochuan Nie | 6-0,6-1 |
| ITF W25 Hengyang | 2019/06/12 06:30 | Xiaodi You v Siqi Cao | 5-7,6-4,6-3 |
| ITF W25 Shenzhen | 2019/06/04 03:35 | Siqi Cao v Qiu Yu Ye | 2-6,6-4,6-10 |
| ITF W25 Shenzhen | 2019/06/03 05:25 | Siqi Cao v Sarah Pang | 6-0,6-0 |
| ITF W25 Luzhou | 2019/05/28 05:30 | Fang Ying Xun v Siqi Cao | 2-6,6-2,6-4 |
| ITF W25 Wuhan | 2019/05/16 03:30 | Siqi Cao v Jing-Jing Lu | 1-6,0-6 |
| ITF W25 Wuhan | 2019/05/15 05:45 | Ziyi Yang v Siqi Cao | 1-6,0-6 |
| ITF W60 Luan | 2019/05/06 03:10 | Siqi Cao v Chengyiyi Yuan | 6-4,5-7,3-10 |
| ITF W15 Nanchang | 2019/03/09 03:00 | Siqi Cao v Dabin Kim | 1-6,4-6 |