Karen Khachanov shows defensive skills first, before to take his opportunity at the net to win this point against Rafael Nadal at Indian Wells.

Roger Federer fires two huge backhands against Juan Martin Del Potro in Shanghai.

37 shots in this never-ending rally between Hyeon Chung and Tennys Sandgren in quarters of the Australian Open.

Philipp Kohlschreiber's wondeful high backhand volley against Roger Federer in Dubai.

Superb rally between Roger Federer and Hubert Hurkacz in Indian Wells, Bill Gates appreciates.

Great touch from Grigor Dimitrov on this volley against John Isner in Paris Masters 1000.