Highlights of second round matches at WTA Shenzhen Open

Wang Yafan of China returns the shot during the second round match against Katerina Siniakova of the Czech Republic at the WTA Shenzhen Open tennis tournament in Shenzhen, south China's Guangdong Province, Jan. 3, 2018. Wang Yafan lost by 0-2. (Xinhua/Mao Siqian)