Gao Xinyu (Chinese: ???; pinyin: Gao Xinyú; Mandarin pronunciation: [káu ?Ãn y?]; born 21 November 1997) is a Chinese tennis player.
Gao has a career-high singles ranking of world No.
181, achieved on 31 July 2017.
She also has a career-high doubles ranking of No.
230, achieved on 11 September 2017.
Gao has won seven singles and three doubles title on the ITF Women's Circuit.
In 2016, she made her WTA Tour main-draw debut at the Tianjin Open, where she was given a wild card with Zhang Ying.
The pair won their first round, defeating Han Xinyun and Zhang Kailin.
They fell in the quarterfinals to second seeds, Lara Arruabarrena and Oksana Kalashnikova.