
Agnieszka Radwanska of Poland returns a shot to Alison Riske of the U.S. during a quarterfinal match of women's singles at the WTA Shenzhen Open tennis tournament in Shenzhen, south China's Guangdong Province, on Jan. 5, 2017. Agnieszka Radwanska lost 1-2. (Xinhua/Wang Dongzhen)









