Belinda Bencic defeats Naomi Osaka 2-0 in Hopman Cup

Belinda Bencic (Bottom) of Switzerland returns the ball against Naomi Osaka of Japan during the group B women's singles match at Hopman Cup mixed teams tennis tournament in Perth, Australia, Dec. 30, 2017. Belinda Bencic won 2-0. (Xinhua/Zhou Dan)