Is there a better way to earn set points ? John Isner find the line with is backhand passing shot to reach 15-40 as Albert Ramos-Vinolas serves to stay in the first set.

David Ferrer's match point and joy against Alexander Zverev in Miami.

Frances Tiafoe doesn't hold back to fire this enormous forehand (96 mph) against Miomir Kecmanovic in Miami.

Roger Federer hits perfect backhand down the line against Radu Albot in Miami.

Stan Wawrinka turns defense into attack against Filip Krajinovic in Miami.