Duan Yingying beats Vera Zvonareva 2-1 at 2018 WTA Qatar Open in Doha, Qatar

Vera Zvonareva of Russia serves during the qualifying match against Duan Yingying of China at the 2018 WTA Qatar Open in Doha, Qatar, on Feb. 11, 2018. Duan Yingying won 2-1 to enter the main draw. (Xinhua/Nikku)