It's only fitting that Novak Djokovic capped a spectacular two months with the year-end championship.
Four years ago, it was Juan Martin del Potro who got the best out of Roger Federer. Even though the protagonists were the same, history wasn't about to repeat itself, Greg Garber writes.
Rafael Nadal could have mailed it in Friday, but he didn't. No one was happier than Stanislas Wawrinka.
This one did not come easily for Novak Djokovic, but he overcame a game Juan Martin del Potro in London.
A year ago, Rafael Nadal couldn't fathom finishing 2013 as the top player in the land. But here he is -- the top player in the land.
Novak Djokovic played the match of the day, but it was Rafael Nadal who closed in on history.
The ATP World Tour Finals is not only a punctuation to this season, but a prelude to 2014.
Rafael Nadal is the new No. 1, but Novak Djokovic got the last laugh. Who says fall tennis isn't good?
This was a comeback that was astonishing by even Rafael Nadal's own absurdly high standards.
Love him or hate him, Rafael Nadal is the hottest player in the land.
Rafael Nadal has a way of making hard-court tennis look easy. Tommy Robredo found that out.
A year ago, Tommy Robredo could not even have imagined facing Rafael Nadal in the US Open quarterfinals.
Moments after Roger Federer lost, Rafael Nadal found himself in a tussle. But then Rafa played like Rafa.
Rafael Nadal, with his newfound hard-court domination, has been leading the way for Spain, which is the undisputed world power right now when it comes to men's tennis, Greg Garber writes.
Novak Djokovic and Andy Murray each won -- but not without some difficulties.
It took eight-plus hours after the first ball was struck (thank you, rain), but Juan Martin del Potro survived.