China Open women's singles 1st round: Zheng Saisai vs. Monica Puig

\

Zheng Saisai of China returns the ball during the women's singles first round between Zheng Saisai of China and Monica Puig of Puerto Rico at 2019 China Open tennis tournament in Beijing, capital of China, Sept. 28, 2019. (Xinhua/Jia Haocheng)