| ITF Women Guiyang | 2018/08/13 03:55 | Cao, Siqi v Yanni Liu | 6-4,6-4 |
| ITF Women Naiman | 2018/07/04 02:00 | Cao, Siqi v Yanni Liu | 7-6,6-1 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/27 02:00 | Wushuang Zheng v Yanni Liu | 6-2,6-2 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/21 04:55 | Lu, Jiaxi v Yanni Liu | 6-1,7-6 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/19 04:00 | Yanni Liu v Ren, Jia Qi | 6-4,5-7,6-0 |
| ITF Women Liuzhou | 2018/10/29 03:00 | Yanni Liu v Choi, Ji-Hee | 2-6,4-6 |
| ITF Women Liuzhou | 2018/10/28 04:25 | Gabueva, Angelina v Yanni Liu | 6-3,5-7,3-6 |
| ITF Women Nanning | 2018/10/21 06:00 | Sun, Xu Liu v Yanni Liu | 7-6,7-6 |
| ITF Women Nanning | 2018/10/20 02:00 | Cai, Xinyu v Yanni Liu | 3-6,5-7 |
| Suzhou, Simples W-WITF-CHN-16A | 2018/10/14 06:25 | Yanni Liu v Gai, AO | 4-6,6-4,2-6 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/28 02:45 | Cao, Siqi v Lu, Jiaxi | 2-6,5-7 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/26 08:20 | Cao, Siqi v Chengyiyi Yuan | 6-0,6-2 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/23 03:00 | Cao, Siqi v Mei Yamaguchi | 3-6,6-3,4-6 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/22 03:00 | Sohyun Park v Cao, Siqi | 3-6,2-6 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/21 04:25 | Novac, Izabela Gabriela v Cao, Siqi | 6-2,0-6,3-6 |
| Nanchang, Simples W-ITF-CHN-03A | 2019/02/20 02:00 | Palha, Natasha v Cao, Siqi | 2-6,0-6 |
| ITF - W15 Antalya | 2019/02/03 07:00 | Cao, Siqi v Dema, Viktoriia | 4-6,4-6 |
| ITF - W15 Antalya | 2019/02/02 13:00 | Zhibek Kulambayeva v Cao, Siqi | 3-6,6-7 |