Stadium: Court 7 Round: 27 Ground: Hardcourt outdoor
| 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 |
| ITF - W15 Antalya - Doubles Femmes | 2019/02/03 11:45 | Cao S / Zheng W v Aikawa M / Vangelova A | 6-4,6-3 |
| Huangshan, Doubles W-ITF-CHN-16A | 2019/08/13 07:40 | Jang S J / Kim D v Chen J / Tang Q | 7-6,6-3 |
| Daegu, Doubles W-ITF-KOR-04A | 2019/06/08 11:00 | Choi J-H / Han N-L v Jang S J / Kim D | 6-2,4-6,10-7 |
| Daegu, Doubles W-ITF-KOR-04A | 2019/06/07 04:00 | Choi J-H / Han N-L v Jang S J / Kim D | 6-2,4-6,1-0 |
| Daegu, Doubles W-ITF-KOR-04A | 2019/06/06 07:40 | Okamura K / You X v Jang S J / Kim D | 3-6,4-6 |
| Daegu, Doubles W-ITF-KOR-04A | 2019/06/04 05:00 | Jang S J / Kim D v Jung S H / Kim S | 6-2,6-2 |
| ITF W25 Incheon WD | 2019/05/29 04:30 | Jang S J / Kim D v Kim D / Lee S-R | 6-7,6-3,8-10 |
| Billie Jean King Cup | 2019/02/09 08:35 | Raina/Thombare v Jang S J / Kim D | 4-6,4-6 |
| WTA Seoul WD | 2018/09/17 04:00 | Jang S J / Kim D v Kumkhum/Plipuech | 2-6,6-7 |