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 W100 Suzhou | 2019/10/14 06:35 | Siqi Cao v Ziyue Sun | 6-2,3-6,5-10 |
| ITF W15 Anning | 2019/09/17 03:20 | Yuqi Sheng v Siqi Cao | 1-6,1-6 |
| ITF W15 Anning | 2019/09/14 03:45 | Siqi Cao v Oleksandra Oliynykova | 1-6,7-6,2-6 |
| ITF W15 Anning | 2019/09/13 02:00 | Yexin Ma v Siqi Cao | 7-6,2-6,6-7 |
| ITF W15 Anning | 2019/09/12 02:00 | Mana Kawamura v Siqi Cao | 2-6,2-6 |
| ITF W15 Anning | 2019/09/11 05:25 | Jiayun Zhu v Siqi Cao | 1-6,1-6 |
| ITF W15 Anning | 2019/09/09 06:10 | Siqi Cao v Jia Yi Dong | 6-0,6-1 |
| ITF W15 Anning | 2019/09/08 07:20 | Siqi Cao v Mengxin Zhai | 6-0,6-0 |