Juan Del Potro's stunning tweener lob against Marin Cilic in match 4 of the 2016 Davis Cup Final.

Jack Sock slides incredibly to get this ball and make the difference against Marin Cilic in 3rd set tie-breaker in London (ATP Finals - Masters).

Enormous 39 shot rally between Rafael Nadal and Karen Khachanov on a set point for the Spaniard at the US Open.

A fitting send off for a legend of the sport. Here are the 25 minutes of David Ferrer retirement ceremony and emotional speech on the clay of Madrid. Thank you, take care and good luck David !

Victoria Azarenka uses perfectly all angles of the court against Jelena Jankovic and she concludes with a magnificent cross court backhand.

Watch highlights of Coco Gauff win over Timea Babos in US Open second round.