No matter how many times Roger Federer succumbs at the Slams, he always seems to bounce back. But is his time running out?
Karma? Bad luck? Maybe it's nothing at all, but Serena Williams' jarring ankle injury opens up a whole new set of questions for 2012.
There are few players who can singlehandedly end the anarchy on the WTA Tour by dominating week in, week out. Petra Kvitova is one of them. But can her mental game keep pace with her vast physical tools?
Can Rafael Nadal turn around a rugged 2011 season? There aren't too many reasons why he can't, except for that selfish Serb, who just won't let him win -- at all.
How much longer will the Woz wait continue? After all, it doesn't appear world No. 1 Caroline Wozniacki is primed to master a major test any time soon -- or is she?
Novak Djokovic ruled nearly every player and every tournament last season. But the story of the superb Serb could have a much different ending in 2012.
Bikram yoga, boxing, wind sprints. Not the most attractive way to spend the holiday season -- unless you're fervently preparing for the daunting Down Under crucible.
ESPN analysts Patrick McEnroe and Pam Shriver and TENNIS.com's Peter Bodo answer the biggest questions for the 2007 season.