Watch how John Isner have been stopped by a great Marin Cilic in US Open 2019 third round.

How John Isner won against Key Nishikori in Miami? Part of the answer illustrated by this masterful down-the-line backhand from the American .

Supernatural defense from Novak Djokovic against Marin Cilic at the ATP Finals in London.

Another amazing point from Marius Copil against Alexander Zverev in Basel.

What an angle Svetlana Kuznetsova finds on this passing shot against Ekaterina Makarova in Miami.

Thursday's presentation and Wednesday's highlights in Miami.