Sun Ziyue
Sun Ziyue is a Chinese tennis player.
Sun has won two doubles titles on the ITF Women's Circuit. On 16 September 2019, she reached her best singles ranking of world No. 358. On 18 August 2014, she peaked at No. 383 in the doubles rankings.
At the 2013 Asian Youth Games, Sun won both the girls' singles and mixed-doubles titles.
Partnering Xu Shilin, Sun won her first $50,000 title at the ITF event in Sanya, defeating Yang Zhaoxuan and Zhao Yijing in the 2013 final.
ITF finals
Singles: 1 (1 runner–up)
| Outcome | No. | Date | Tournament | Tier | Surface | Opponents | Score |
| Loss | 0–1 | Jun 2019 | ITF Hengyang, China | W25 | Hard |  Wang Xinyu | 4–6, 3–6 |
Doubles (2–2)
| Outcome | No. | Date | Tournament | Surface | Partner | Opponents | Score |
| Winner | 1. | 13 September 2013 | Sanya, China | Hard | Xu Shilin | Yang Zhaoxuan Zhao Yijing | 6–7, 6–3, |
| Runner-up | 1. | 7 March 2014 | Quanzhou, China | Hard | Xu Shilin |  Chan Chin-wei Xu Yifan | 6–7, 1–6 |
| Winner | 2. | 3 March 2017 | Nanjing, China | Hard | Sun Xuliu |  Angelina Gabueva Olga Puchkova | 6–3, 6–1 |
| Runner-up | 2. | 2 March 2018 | Xiamen, China | Hard | Sun Xuliu |  Sarah-Rebecca Sekulic Xu Shilin | 1–6, 5–7 |