Juan Martin del Potro is leading a pack of players trying to break through in Melbourne.
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.
Stanislas Wawrinka waited a long time to get here, but patience and persistence paid off for him in his ATP World Tour Finals debut.
Why does Lleyton Hewitt still bother to go out there? For moments like these.
It took eight-plus hours after the first ball was struck (thank you, rain), but Juan Martin del Potro survived.
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.
Andy Murray ended a 77-year nightmare with his long-awaited Wimbledon championship.
Not much could get the crowd jazzed up after Novak Djokovic's win -- except Andy Murray's return to the final.
It was a gloomy atmosphere -- until Andy Murray decided to make his comeback.
Who would have thunk that Poland would produce two quarterfinalists at Wimbledon?
With all the doom and gloom from this past week, Novak Djokovic keeps on rolling.
Novak Djokovic did something pretty usual for a top-tier player this year at Wimbledon. He won.
The top seeds are falling -- and no we're not talking hoops. Serena Williams almost joined this dubious club.