Stadium: Center Round: 25 Ground: Hardcourt outdoor
| Luzhou, Simples W-ITF-CHN-09A | 2019/06/01 02:00 | Sun, Ziyue v Hanyu Guo | 2-6,1-6 |
| Shenzhen, Simples W-WITF-CHN-02A | 2016/11/15 23:00 | Sun, Ziyue v Hanyu Guo | 6-1,2-6,2-6 |
| ITF Women Liuzhou Qual | 2016/10/25 02:15 | Hanyu Guo v Sun, Ziyue | 6-3,4-6,1-6 |
| Suzhou, Simples W-ITF-CHN-23A | 2019/10/14 06:35 | Cao, Siqi v Sun, Ziyue | 6-2,3-6,5-10 |
| Tianjin, Chine | 2019/10/05 03:15 | Xiyu Wang v Sun, Ziyue | 7-6,7-5 |
| Nanchang, Chine | 2019/09/08 07:00 | Cristian, Jaqueline Adina v Sun, Ziyue | 6-3,6-3 |
| Nanchang, Chine | 2019/09/07 08:50 | Cako, Jacqueline v Sun, Ziyue | 1-6,0-6 |
| Changsha, Simples W-ITF-CHN-19A | 2019/09/04 02:00 | Chengyiyi Yuan v Sun, Ziyue | 6-3,6-4 |
| Jinan, Qualifications Simples W-ITF-CHN-18A | 2019/08/26 03:45 | Sun, Ziyue v Ho Ching Wu | 3-6,7-5,5-10 |
| Guiyang, Singles W-ITF-CHN-17A | 2019/08/23 02:00 | Sun, Xu Liu v Sun, Ziyue | 6-4,0-6,7-5 |
| Guiyang, Singles W-ITF-CHN-17A | 2019/08/22 03:50 | Sun, Ziyue v Fangzhou Liu | 7-6,6-4 |
| Suzhou, Simples W-ITF-CHN-23A | 2019/10/15 02:00 | Yue Yuan v Hanyu Guo | 3-6,4-6 |
| Suzhou, Simples W-ITF-CHN-23A | 2019/10/14 03:30 | van Der Hoek, Rosalie v Hanyu Guo | 3-6,0-6 |
| Tianjin, Chine | 2019/10/05 06:35 | Hanyu Guo v Zhang, Yuxuan | 2-6,5-7 |
| ITF W60 Charleston | 2019/10/01 18:50 | Hanyu Guo v Osaka, Mari | 4-6,1-6 |
| ITF W60 Templeton | 2019/09/23 16:00 | Hanyu Guo v Ingrid Gamarra Martins | 4-6,4-6 |
| Changsha, Simples W-ITF-CHN-19A | 2019/09/07 03:40 | Naydenova, Aleksandrina v Hanyu Guo | 6-2,6-4 |
| Changsha, Simples W-ITF-CHN-19A | 2019/09/06 03:55 | Hanyu Guo v Zlochova, Zuzana | 3-6,7-5,7-5 |
| Changsha, Simples W-ITF-CHN-19A | 2019/09/05 03:35 | Amy Zhu v Hanyu Guo | 6-7,7-6,2-6 |