Highlights of the Serena Williams over Maria Sharapova victory in the 2012 WTA Championships final in Istanbul. (2012-10-28)

Roger Federer hits two outrageous drop shot winners in a row against Richard Gasquet in Madrid.

Watch highlights of Tennys Sandgren incredible comeback against Jo-Wilfried Tsonga at the US Open.

Rafael Nadal crushes another huge forehand passing shot for a winner against Stefanos Tsitsipas in Rome semi-finals.

Nick Kyrgios vs Karen Khachanov extended highlights in Australian Open 3rd round.