World No. 4 Petra Kvitova has joined Maria Sharapova and Li Na by signing with IMG Tennis.

With just two weeks to go until the start of the US Open, the race to sceure a favorable seeding in New York is on.

Grigor Dimitrov was given an opportunity on Friday in Toronto. What he did with it was remarkable.

Eugenie Bouchard's fan club will not get free travel to the WTA Finals

Check out our review as we put Gamma's latest Glide Cross String with Live Wire XP to the test.

McEnroe, Clijsters, Henman and Lisicki headline all-star lineup for charity event.

Roger Federer tells SI's Jon Wertheim that he'd like to see "more friction" between players on the ATP Tour.