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.
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.
It's easy to take Novak Djokovic's sustained excellence for granted -- but urge you not to.
Novak Djokovic and Andy Murray each won -- but not without some difficulties.
Raise your hand if you thought Rafael Nadal could make this kind of comeback? If you did, we don't believe you.
James Blake's retirement virtually ends a generation of American players.
No one is hotter than Rafael Nadal this summer, but an old friend could cool him down at the US Open.
The key to the Andy Murray-Ivan Lendl relationship, you ask? Trust.
Andy Murray ended a 77-year nightmare with his long-awaited Wimbledon championship.