Stadium: Court 12 Round: 26 Ground: Hardcourt outdoor
| Huangshan, Doubles W-ITF-CHN-16A | 2019/08/15 08:30 | Cao S / Zheng W v Jang S J / Kim D | 3-6,5-7 |
| Huangshan, Doubles W-ITF-CHN-16A | 2019/08/13 09:00 | Cao S / Zheng W v Xiao Z H / Zhu W | 6-4,6-2 |
| Shenzhen, Doubles W-ITF-CHN-04A | 2019/03/12 07:25 | Sun F / Wang Aor v Cao S / Zheng W | 6-1,7-6 |
| Nanchang, Doubles W-ITF-CHN-02A | 2019/02/23 07:30 | Cao S / Zheng W v Chong E W / Kim D | 7-5,7-6 |
| Nanchang, Doubles W-ITF-CHN-02A | 2019/02/22 06:00 | Lee P-C / Zhang L v Cao S / Zheng W | 5-7,4-6 |
| Nanchang, Doubles W-ITF-CHN-02A | 2019/02/21 08:45 | Cao S / Zheng W v Liu S Q / Palha N | 6-1,6-3 |
| Nanchang, Doubles W-ITF-CHN-02A | 2019/02/20 06:50 | Cao S / Zheng W v Guo M / Yang Y | 6-3,7-5 |
| ITF - W15 Antalya - Doubles Femmes | 2019/02/03 14:35 | Morisaki K / Okuno A v Cao S / Zheng W | 7-5,6-2 |