Grigor Dimitrov summoned a youngster from the crowd to hit with Roger Federer, and the kid got right to work.

Twenty-five years after their classic WTA Championships five-set final, Gabriela Sabatini and Monica Seles met again at Madison Square Garden.

Roger Federer lost to Grigor Dimitrov in their World Tennis Day exhibition, but we think it's safe to say that everybody won.

Juan Martin del Potro has elected not to take a wild card into the BNP Paribas Open, which opens the door for 18-year-old Thanasi Kokkinakis.

Watch CoCo Vandeweghe race her kid brother, "Crash" in a four-wheeling dash through the desert.

The French former world No. 1 and current coach of Andy Murray will be inducted into the Newport, R.I.-based Hall of Fame on July 18th.

Roger Federer brought the bubbly to Beverly Hills celebrating his 1,000th career victory with actress Zoe Saldana and other stars.