Video PlayerClose

Donna Vekic reacts during the women's singles quarterfinal match between Belinda Bencic of Switzerland and Donna Vekic of Croatia at the 2019 US Open in New York, the United States, Sept. 4, 2019. (Xinhua/Liu Jie)

Donna Vekic reacts during the women's singles quarterfinal match between Belinda Bencic of Switzerland and Donna Vekic of Croatia at the 2019 US Open in New York, the United States, Sept. 4, 2019. (Xinhua/Liu Jie)