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 the WTA Championships 2012 in Istanbul fourth day of competition. (2012-10-26)

Wonderful between Fernando Verdasco and Robin Haase in Dubai Semis.

Roger Federer perfect backhand against Dominic Thiem in Rome.

Superb backhand down the line from Simona Halep against Stosur in Miami.

Stefanos Tsitsipas stay in a point against Alexander Zverev in Madrid Open quarter-finals with rapid reflexes before finishing it off.