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Who is Katie Boulter, how tall is the Australian Open beauty and is she dating Wimbledon doubles champion Jack Sock?
Watch: Emotional Katie Boulter dedicates win over Karolina Pliskova to her grandmother who recently passed away
Katie Boulter live score, schedule and results
She beat Frenchwoman Clara Burel with ease in her first match of the tournament but faces much sterner opposition next. But what else do we know about Britain's female tennis star? JUNIOR STAR Born in August 1996, Boulter took up...