SQUIRREL RUNS ONTO COURT AND INTERRUPTS MATCH at 2015 US open

What a winning backhand from Caroline Wozniacki at the beginning of the 2nd set of the Australian Open Final against Simona Halep.

Stefanos Tsitsipas hit a drop volley for a winner against Rafael Nadal in the semi-finals of Madrid Masters 1000.

Williams, Sharapova, Azarenka, Radwanska and Wozniacki. Here are the 5 best shots of the 2013 season on the WTA Tour.