| ITF W25 Wuhan | 2019/05/15 05:45 | Ziyi Yang v Siqi Cao | 1-6,0-6 |
| ITF W25 Huangshan | 2019/08/13 02:00 | Yexin Ma v Ziyi Yang | 4-6,6-4,10-4 |
| ITF W25 Huangshan | 2019/08/12 02:00 | Hongding Dong v Ziyi Yang | 2-6,0-6 |
| ITF W25 Qujing | 2019/07/16 02:00 | Yidi Yang v Ziyi Yang | 1-6,7-5,10-6 |
| ITF W25 Qujing | 2019/07/15 03:00 | Alexandra Cannizzaro v Ziyi Yang | 0-6,1-6 |
| ITF W25 Ulanqab | 2019/07/10 06:45 | Ziyi Yang v Chang Liu | 3-6,6-3,3-6 |
| ITF W25 Ulanqab | 2019/07/09 03:35 | Yidi Yang v Ziyi Yang | 1-6,0-6 |
| ITF W25 Ulanqab | 2019/07/08 03:25 | Yiming Dang v Ziyi Yang | 2-6,2-6 |
| ITF W25 Tianjin | 2019/07/01 04:20 | Carol Zhao v Ziyi Yang | 1-6,6-4,10-7 |
| ITF W25 Huangshan | 2019/08/15 05:40 | Lou Brouleau v Siqi Cao | 6-0,6-2 |
| ITF W25 Huangshan | 2019/08/14 03:15 | Siqi Cao v Yuxuan Zhang | 4-6,6-3,7-5 |
| ITF W25 Huangshan | 2019/08/13 02:00 | Xu Liu Sun v Siqi Cao | 5-7,2-6 |
| 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 |