Stadium: Indoor Court 2 Round: 54 Ground: Hardcourt outdoor
| ITF Women Nanjing Qual | 2017/02/26 05:30 | Sarah Pang v Siqi Cao | 2-6,2-6 |
| ITF W25 Luzhou | 2019/05/28 05:30 | Fang Ying Xun v Siqi Cao | 2-6,6-2,6-4 |
| ITF W25 Wuhan | 2019/05/16 03:30 | Siqi Cao v Jing-Jing Lu | 1-6,0-6 |
| ITF W25 Wuhan | 2019/05/15 05:45 | Ziyi Yang v Siqi Cao | 1-6,0-6 |
| ITF W60 Luan | 2019/05/06 03:10 | Siqi Cao v Chengyiyi Yuan | 6-4,5-7,3-10 |
| ITF W15 Nanchang | 2019/03/09 03:00 | Siqi Cao v Dabin Kim | 1-6,4-6 |
| ITF W15 Nanchang | 2019/03/08 03:00 | Nika Kukharchuk v Siqi Cao | 2-6,6-3,4-6 |
| ITF W15 Nanchang | 2019/03/07 02:00 | Jiaxi Lu v Siqi Cao | 0-6,6-2,3-6 |
| ITF W15 Nanchang | 2019/03/05 05:00 | Yanni Liu v Siqi Cao | 4-6,4-6 |
| ITF W25 Hong Kong | 2019/05/27 09:30 | Sarah Pang v Sakura Hosogi | 0-6,2-6 |
| ITF W25 Singapore | 2019/05/22 02:00 | Valeria Savinykh v Sarah Pang | 6-0,6-0 |
| ITF W25 Singapore | 2019/05/20 02:00 | Diana Maria Mihail v Sarah Pang | 1-6,6-1,10-12 |
| ITF W25 Singapore | 2019/05/14 05:20 | Sarah Pang v Riya Bhatia | 1-6,1-6 |
| ITF W25 Hong Kong | 2019/04/08 02:00 | Mahak Jain v Sarah Pang | 6-1,6-0 |
| ITF W15 Xiamen | 2019/03/18 02:30 | Sarah Pang v Hongding Dong | 4-6,4-6 |
| ITF W15 Sharm El Sheikh | 2019/02/25 10:00 | Jelena Simic v Sarah Pang | 6-3,6-1 |
| ITF W15 Sharm El Sheikh | 2019/02/18 08:00 | Jantje Tilbuerger v Sarah Pang | 6-3,6-0 |