Kei Nishikori huge backhand answer against Novak Djokovic in Madrid first round.

Kei Nishikori is on the defence before finding the right angle with a superb flick of the wrist in forehand against Hugo Dellien in Madrid.

Highlights of Dominic Thiem's surprise victory over Roger Federer for maiden Masters 1000 title in Indian Wells.

What a strike from Gael Monfils ! The Frenchman hit a monstrous backhand winner against Albert Ramos-Vinolas in Indian Wells.

Roger Federer perfect backhand against Dominic Thiem in Rome.

Fabio Fognini fires a perfect backhand down the line for a winner against Jo-Wilfried Tsonga in the first round of Rome Masters 1000.