Career

On 21 March 2016, she reached her best singles ranking of world number 285. On 21 March 2016, she peaked at world number 199 in the doubles rankings. 2014

At the 2014 Shenzhen Open, Xu made her Women's Tennis Association tour debut.

Having been given a wildcard into qualifying for the singles main draw, she was drawn against Britain"s Johanna Konta.

Partnering Sun Ziyue again in doubles at the tournament, Xu was given a wildcard into the main draw, but couldn"t make it past her fellow Chinese pairing of Wang Yafan and Zheng Jie, who later made it to the semifinals. Doubles (0–1)

Singles (2–1)

Doubles (2–1).

Achievements

• Xu has won two singles and two doubles titles on the International Tennis Federation tour in her career. 2013 Partnering Sun Ziyue, Xu won her first $50,000 International Tennis Federation tournament at the event in Sanya, defeating Yang Zhaoxuan and Zhao Yijing in the 2013 final. Despite a difference of over 500 places in the world rankings, Xu won in straight sets, but lost to Lyudmyla Kichenok in the final round. At the 2014 Summer Youth Olympics in Nanjing, Xu won the gold medal in girls" singles, having defeated Iryna Shymanovich of Belarus in straight sets in the final.