| ITF Women Luan Qual | 2018/05/07 02:30 | Sun, Ziyue v Yang, Yifei | 6-0,6-1 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/22 04:55 | Zhang, Kai Lin v Sun, Ziyue | 6-2,4-6,6-1 |
| Quanzhou, Qualifications Simples W-WITF-CHN-04B | 2018/04/21 02:00 | Cheong, Naomi v Sun, Ziyue | 6-7,4-6 |
| ITF Women Nanjing | 2018/04/05 04:00 | Sun, Ziyue v Xiaodi You | 2-6,6-7 |
| ITF Women Nanjing | 2018/04/02 04:20 | Zhou, Mingjun v Sun, Ziyue | 0-6,7-5,4-6 |
| ITF Women Nanjing | 2018/03/26 04:30 | Lee, Pei-Chei v Sun, Ziyue | 6-7,7-5,6-2 |
| ITF Women Nanjing | 2018/03/21 02:00 | Sun, Ziyue v Meiqi Guo | 1-6,3-6 |
| Zhuhai, Qualifications Simples W-WITF-CHN-03C | 2018/03/04 05:30 | Sun, Ziyue v Ankita Raina | 4-6,7-5,6-7 |
| ITF Women Luan Qual | 2018/05/07 06:45 | Qi, Jiatian v Cao, Siqi | 1-6,3-6 |
| ITF Women Nanjing | 2018/04/07 03:00 | Cao, Siqi v Xiaodi You | 4-6,4-6 |
| ITF Women Nanjing | 2018/04/06 03:00 | Cao, Siqi v Shuo Feng | 6-3,6-3 |
| ITF Women Nanjing | 2018/04/05 09:15 | Guo, Shanshan v Cao, Siqi | 3-6,2-6 |
| ITF Women Nanjing | 2018/04/04 02:00 | Cao, Siqi v Mei Xu Wu | 6-3,6-2 |
| ITF Women Nanjing Qual | 2018/04/02 02:00 | Cao, Siqi v Monica Robinson | 7-6,2-6,7-6 |
| ITF Women Nanjing Qual | 2018/04/01 04:00 | Cao, Siqi v Li, Denglin | 6-3,6-0 |
| ITF Women Nanjing | 2018/03/29 02:00 | Cao, Siqi v Fang Ying Xun | 3-6,3-6 |