Kristina Kucova, Zheng Saisai win singles 1st round match at Hong Kong Tennis Open

Zheng Saisai of China reacts during the singles first round match against Aleksandra Krunic of Serbia at 2018 Hong Kong Tennis Open in Hong Kong, China, Oct. 8, 2018. Zheng Saisai won 2-0. (Xinhua/Lo Ping Fai)