Stan Wawrinka turns defense into attack against Filip Krajinovic in Miami.

A rare moment, Roger Federer and Rafael Nadal practiced on two contiguous courts on Sunday at Indian Wells. Sit on the baseline and enjoy, as if you were there.

Superb passing shot from Rafael Nadal, in Rafa-style, against Tomas Berdych in Madrid semies.

Superb half-volley back to the net from Bethanie Mattek-Sands against Anastasia Pavlyuchenkova in Miami.

Superb rally between Denis Shapovalov and Milos Raonic in Madrid.

Enormous jumped forehand from Jack Sock against Rafael Nadal who couldn't react in Rome.