Stadium: Court 12 Round: 26 Ground: Hardcourt outdoor
| ITF W25 Huangshan WD | 2019/08/15 08:30 | Cao/Zheng v Jang/Kim | 3-6,5-7 |
| ITF W25 Huangshan WD | 2019/08/13 09:00 | Cao/Zheng v Xiao/Zhu | 6-4,6-2 |
| ITF W60 Shenzhen WD | 2019/03/12 07:25 | Sun/Wang v Cao/Zheng | 6-1,7-6 |
| ITF W15 Nanchang WD | 2019/02/23 07:30 | Cao/Zheng v Chong/Kim | 7-5,7-6 |
| ITF W15 Nanchang WD | 2019/02/22 06:00 | Lee/Zhang v Cao/Zheng | 5-7,4-6 |
| ITF W15 Nanchang WD | 2019/02/21 08:45 | Cao/Zheng v Liu/Palha | 6-1,6-3 |
| ITF W15 Nanchang WD | 2019/02/20 06:50 | Cao/Zheng v Guo/Yang | 6-3,7-5 |
| ITF W15 Antalya WD | 2019/02/03 14:35 | Morisaki/Okuno v Cao/Zheng | 7-5,6-2 |