Peng Shuai of China and Andrea Hlavackova (back) of the Czech Republic compete during the women's doubles quarterfinal match against Olga Savchuk of Ukraine and Yaroslava Shvedova of Kazakhstan at WTA Qatar Open 2017 in Doha, Qatar, Feb. 17, 2017. Savchuk and Shvedova won 2-1. (Xinhua/Nikku)