Juan Martin Del Potro and Vasek Pospisil engage a drop shot duel in Miami.

Highlights of the double Lleyton Hewitt/John Peers vs Bob Bryan/Mike Bryan in 2016 Davis Cup first round between Australia and USA.

Denis Shapovalov hits perfect volley on this point against Frances Tiafioe in Miami. It deserves a high five from the American.

Novak Djokovic do it like Mansour Bahrami against the young Kyle Edmund in Miami. Ball right in the pocket.

Kokkinakis-Harrison handshake and some chatter in Cincinnati