Roger Federer's stunning drop volley against Stefanos Tsitsipas in Dubai Final.

David Ferrer takes control of the point with some big forehands. He goes to the net trying to conclude but the defense lob of Ivan Dodig is just too good.

Huge forehand return from Andy Murray but Philipp Kohlschreiber has the hand skills to send the ball back to the other side of the court and win the point.

Superb backhand down the line from Simona Halep against Stosur in Miami.

Stan Wawrinka wins superb exchange with Nick Kyrgios at Acapulco.

Watch highlights of Rafael Nadal huge win over Marin Cilic in US Open 2019 roud four.