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

Diego Schwartzman's sweet timing to fire back this wonderful backhand winner against Kei Nishikori in Rome.

Tomas Berdych tried everything on this point but Roger Federer was everywhere.

Great backhand passing-shot from Roberto Bautista Agut against Lucas Pouille in Dubai Final.

Roger Federer's stunning drop volley against Stefanos Tsitsipas in Dubai Final.

Watch highlights of Rafael Nadal huge win over Marin Cilic in US Open 2019 roud four.