Zhang Shuai of China returns the ball during the women's singles quarterfinal match against Karolina Pliskova of the Czech Republic at WTA Qatar Open 2017 in Doha, Qatar, Feb. 17, 2017. Karolina Pliskova won 2-0. (Xinhua/Nikku)
Zhang Shuai of China returns the ball during the women's singles quarterfinal match against Karolina Pliskova of the Czech Republic at WTA Qatar Open 2017 in Doha, Qatar, Feb. 17, 2017. Karolina Pliskova won 2-0. (Xinhua/Nikku)