Marin Cilic's bad day on Monday had a lot to do with Novak Djokovic's good day.
The 14-time Grand Slam champion hopes to be back on the court in five weeks.
Doubles takes center stage at the ATP World Tour Finals, and the results can be quite scintillating.
The race for No. 1 is in Novak Djokovic's hands in London. Here's what he needs to take it home.
When you've got Knoxville, who needs London? Certainly not Hunter Reese.
Rafael Nadal is featured in various vintage forms in this new ad for Brazilian operator Telefonic Vivo.
Three-time Grand Slam champion Lindsay Davenport will begin working with Madison Keys this off-season.