Stadium: Court 5 Round: 54 Ground: Hardcourt outdoor
| ITF W25 Huangshan | 2019/08/12 02:00 | Xu Liu Sun v Xinyi Chen | 6-0,6-1 |
| ITF W25 Qujing | 2019/07/20 02:30 | Xu Liu Sun v Aleksandrina Naydenova | 6-4,1-6,2-6 |
| ITF W25 Qujing | 2019/07/19 02:30 | Erika Sema v Xu Liu Sun | 6-2,4-6,3-6 |
| ITF W25 Qujing | 2019/07/18 04:30 | Ramu Ueda v Xu Liu Sun | 1-6,1-6 |
| ITF W25 Qujing | 2019/07/16 05:55 | Xu Liu Sun v Su Jeong Jang | 6-4,6-3 |
| ITF W25 Ulanqab | 2019/07/11 02:00 | Xu Liu Sun v Meiqi Guo | 6-7,6-7 |
| ITF W25 Ulanqab | 2019/07/10 04:55 | Xu Liu Sun v Anastasia E Nefedova | 6-4,6-2 |
| ITF W25 Ulanqab | 2019/07/09 02:45 | Xu Liu Sun v Evgeniya Burdina | 6-3,6-1 |
| ITF W25 Huangshan | 2019/08/12 02:00 | Cong Ying Zhao v Siqi Cao | 4-6,3-6 |
| ITF W25 Naiman | 2019/06/26 07:05 | Siqi Cao v Hiroko Kuwata | 5-7,2-6 |
| 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 |