Stadium: Court 7 Round: 26 Ground: Hardcourt outdoor
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/14 03:40 | Sun, Ziyue v Chengyiyi Yuan | 6-1,6-4 |
| Qujing, Simples W-ITF-CHN-15A | 2019/07/18 03:25 | Yexin Ma v Sun, Ziyue | 6-1,6-1 |
| Ulanqab, Singles W-ITF-CHN-14A | 2019/07/10 03:00 | Sukhotina, Anastasia v Sun, Ziyue | 4-6,6-2,3-6 |
| Tianjin, Simples W-ITF-CHN-13A | 2019/07/04 02:00 | Sun, Ziyue v Xinyu Gao | 3-6,7-5,6-7 |
| Tianjin, Simples W-ITF-CHN-13A | 2019/07/03 02:00 | Jia-Jing Lu v Sun, Ziyue | 3-6,7-6,1-6 |
| Tianjin, Simples W-ITF-CHN-13A | 2019/07/02 02:50 | Sun, Ziyue v Kang, Jia-Qi | 2-6,6-2,10-6 |
| Tianjin, Simples W-ITF-CHN-13A | 2019/07/01 03:45 | Sun, Ziyue v Ren, Jia Qi | 6-0,6-2 |
| Naiman, Simples W-ITF-CHN-12A | 2019/06/28 03:30 | Sun, Ziyue v Shuo Feng | 1-6,2-6 |
| Huangshan, Simples W-ITF-CHN-16A | 2019/08/13 06:15 | Zhao, Qianqian v Ya-Hsuan Lee | 3-6,2-6 |
| Taipei, Singles W-ITF-TPE-01A | 2019/07/30 04:30 | Ya-Hsuan Lee v Sohyun Park | 2-6,6-3,3-6 |
| Fed Cup, Groupe Mondial | 2019/06/13 06:05 | Ya-Hsuan Lee v Tursunova, Anastasiya | 6-0,6-2 |
| ITF W25 Incheon | 2019/05/30 02:00 | Mishina, Daria v Ya-Hsuan Lee | 6-3,7-6 |
| ITF W25 Incheon | 2019/05/29 02:20 | Ahn, Yu Jin v Ya-Hsuan Lee | 5-7,1-6 |
| ITF W25 Goyang | 2019/05/22 01:00 | Mishina, Daria v Ya-Hsuan Lee | 6-3,2-6,3-6 |
| ITF W25 Changwon | 2019/05/19 01:30 | Ya-Hsuan Lee v Simmonds, Chanel | 3-6,5-7 |
| ITF W25 Changwon | 2019/05/18 03:00 | Ya-Hsuan Lee v Xiaodi You | 6-1,6-4 |