Watch the highlights of day 4 in Marseille, with Grigor Dimitrov against Sebastian Korda, Hurbert Hurkacz or Felix Auger-Aliassime.

Big service and big inside out forehand attack from John Isner. But Novak Djokovic finds the balance and the precision to deliver a perfect lob and win the point.

Gael Monfils resists to Milos Raonic's big shots to earn this beautiful point in Indian Wells.

Frances Tiafoe couldn't hit a drop volley better than this against Denis Shapovalov in Miami.

Kokkinakis-Harrison handshake and some chatter in Cincinnati

Dominika Cibulkova hits a superb drop shot to win this point against Garbine Muguruza.