Federer, Djokovic Share Keys To Great First Serve, Great Return Shanghai 2018
Federer, Djokovic Share Keys To Great First Serve, Great Return Shanghai 2018
Oct 11 2018
Watch as Roger Federer and Novak Djokovic explain the keys to a great serve and a great return at the Rolex Shanghai Masters. Watch live tennis at tennistv.com. Photo: Lintao Zhang/Getty Images

© RocketSquirrel lab