Jack Sock huge forehand return in double at London's ATP Finals.

Huge point, one of the longest rallies of the week, between Rafael Nadal and David Ferrer in London (ATP Finals 2015, Masters).

Grigor Dimitrov's superb backhand passing shot against Marin Cilic in Paris.

Novak Djokovic do it like Mansour Bahrami against the young Kyle Edmund in Miami. Ball right in the pocket.