| ITF Women Xiamen | 2018/02/25 04:30 | Siqi Cao v Xinyu Cai | 4-6,6-3,6-3 |
| ITF Women Changsha Qual | 2018/06/02 04:20 | Siqi Cao v Yi Liu | 6-1,6-0 |
| ITF Women Luzhou | 2018/06/01 03:00 | Andreea Amalia Rosca v Siqi Cao | 6-4,6-4 |
| ITF Women Luzhou | 2018/05/30 02:30 | Siqi Cao v Mari Osaka | 6-4,7-5 |
| ITF Women Luzhou | 2018/05/28 02:00 | Qianhui Tang v Siqi Cao | 4-6,3-6 |
| ITF Women Baotou Qual | 2018/05/22 02:30 | Shuo Feng v Siqi Cao | 6-4,6-2 |
| ITF Women Baotou Qual | 2018/05/21 06:30 | Jiaying He v Siqi Cao | 5-7,2-6 |
| ITF Women Wuhan Qual | 2018/05/14 03:00 | Ziyue Sun v Siqi Cao | 6-2,6-1 |
| ITF Women Wuhan Qual | 2018/05/13 05:30 | Jiatian Qi v Siqi Cao | 1-6,1-6 |
| ITF Women Changsha Qual | 2018/06/02 03:10 | Xinyu Cai v Wei Zheng | 6-3,6-2 |
| ITF Women Wuhan Qual | 2018/05/12 05:00 | Xinyu Cai v Jiahui Chen | 3-6,2-6 |
| ITF Women Hua Hin Qual | 2018/05/07 04:35 | Xinyu Cai v Chanikarn Silakul | 3-6,5-7 |
| ITF Women Hua Hin Qual | 2018/05/06 02:30 | Ange Oby Kajuru v Xinyu Cai | 6-4,5-7,2-6 |
| ITF Women Hua Hin Qual | 2018/05/05 02:30 | Xinyu Cai v Apichaya Runglerdkriangkrai | 6-2,6-3 |
| ITF Women Hua Hin | 2018/05/03 02:30 | Zeel Desai v Xinyu Cai | 6-0,6-0 |
| ITF Women Hua Hin | 2018/05/02 02:30 | Xinyu Cai v Sowjanya Bavisetti | 6-2,6-4 |
| ITF Women Hua Hin | 2018/05/01 04:10 | Xinyu Cai v Kwan Yau Ng | 6-2,4-6,6-4 |