Highlights of women's singles round of 16 match of 2019 WTA Shenzhen Open

Elena Rybakina of Kazakhstan reacts during the women's singles round of 16 match against Wang Yafan of China at WTA Shenzhen Open tennis tournament in Shenzhen, south China's Guangdong Province, Jan. 7, 2020. (Xinhua/Mao Siqian)