Kerber: "You never know how Serena's serving"

Jan 30, 2016, 05:18 AM

World No.6 Angelique Kerber is asked what the hardest thing is about playing World No.1 - and 21-time Grand Slam Singles Champion - Serena Williams. #ausopen #aoradio #angie #angelique #kerber #angeliquekerber #serena #williams #serenawilliams #tennis #wta #grand #slam #final #grandslam