In pics: WTA Shenzhen Open tennis tournament

Jelena Ostapenko of Latvia returns the ball during the first round match against Kristyna Pliskova of the Czech Republic at the WTA Shenzhen Open tennis tournament in Shenzhen, south China's Guangdong Province, Jan. 2, 2018. Ostapenko lost by 0-2. (Xinhua/Mao Siqian)