Highlights of women's singles second round matches at Dubai Duty Free Tennis WTA Championships

Zheng Saisai serves during the women's singles second round match between Garbine Muguruza of Spain and Zheng Saisai of China at Dubai Duty Free Tennis WTA Championships 2019 in Dubai, the United Arab Emirates, Feb. 19, 2019. Garbine Muguruza won 2-0. (Xinhua/Mahmoud Khaled)