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.

We almost missed it. Here is the superb winning tweener from Mikael Ymer (little brother of Elias) against Roberto Carballes Baena on the clay of Bastad Challenger.