| ITF Women Naiman | 2018/07/04 02:00 | Cao, Siqi v Yanni Liu | 7-6,6-1 |
| ITF Women Naiman | 2018/07/03 02:00 | Jing-Jing Lu v Cao, Siqi | 6-7,7-6,6-7 |
| ITF Women Changsha | 2018/06/07 02:30 | Fang Ying Xun v Cao, Siqi | 6-4,6-2 |
| ITF Women Changsha | 2018/06/05 06:00 | Meiling Wang v Cao, Siqi | 6-2,4-6,4-6 |
| ITF Women Changsha Qual | 2018/06/03 05:20 | Cao, Siqi v Cai, Xinyu | 6-2,6-4 |
| ITF Women Changsha Qual | 2018/06/02 04:20 | Cao, Siqi v Liu, Yi | 6-1,6-0 |
| ITF Women Luzhou | 2018/06/01 03:00 | Rosca, Andreea Amalia v Cao, Siqi | 6-4,6-4 |
| ITF Women Luzhou | 2018/05/30 02:30 | Cao, Siqi v Osaka, Mari | 6-4,7-5 |
| ITF Women Naiman | 2018/07/04 02:00 | Gai, AO v Xu, Shilin | 6-2,6-7,6-4 |
| ITF Women Naiman | 2018/07/02 03:05 | Kang, Jia-Qi v Gai, AO | 3-6,4-6 |
| ITF Women Hong Kong | 2018/06/20 04:40 | Minokoshi, Mai v Gai, AO | 6-3,6-4 |
| ITF Women Hong Kong | 2018/06/19 04:45 | Ng, Kwan Yau v Gai, AO | 1-6,4-6 |
| ITF Women Changsha | 2018/06/07 02:30 | Gai, AO v Han, Xinyun | 6-4,3-6,4-6 |
| ITF Women Changsha | 2018/06/05 06:30 | Gai, AO v Lu, Jiaxi | 6-1,6-1 |
| ITF Women Luzhou | 2018/06/03 03:45 | Zhang, Yuxuan v Gai, AO | 6-2,6-0 |
| ITF Women Luzhou | 2018/06/02 03:00 | Rosca, Andreea Amalia v Gai, AO | 4-6,0-6 |