Caroline Wozniacki beats Kiki Bertens 2-0 at Australian Open 2018

Kiki Bertens of the Netherlands returns a shot during the women's singles third round match against Caroline Wozniacki of Denmark at Australian Open 2018 in Melbourne, Australia, Jan. 19, 2018. Kiki Bertens lost 0-2. (Xinhua/Zhu Hongye)