What's your tennis IQ?

So you think you have all the answers? We'll find out how closely you followed tennis this past season with our 2009 holiday quiz.

What's your tennis IQ?

So you think you have all the answers? We'll find out how closely you followed tennis this past season with our 2009 holiday quiz.

The year's most memorable quotes

As usual, tennis players didn't just let their rackets do the talking this season. Here's a look back at some of the funniest quips, fighting words and foot-in-mouth moments of 2009.

Yes, we're handing out more 2009 tennis awards

...And he became just the sixth man to complete a career Grand Slam. Runner-up: Juan Martin del Potro, who leapfrogged over Novak Djokovic and Andy Murray to win the U.S. Open and...

Doling out our 2009 ATP awards

With supreme competition and daunting up-and-comers, only one name returned to the summit of men's tennis. Care to guess who?

End of Roger-Rafa as we know it?

...Federer struggled every step of the way and Novak Djokovic ran out of gas -- while Juan Martin del Potro more or less duck-walked into the final -- added to the growing feeling that 2010...

Federer facing ever-growing challenges

After an emotional 2009 season full of unprecedented highs and gut-wrenching lows, 28-year-old Roger Federer is back on top. But he'll find that the going only gets tougher from here.

Best of the World Tour Finals

...year-end men's extravaganza. Davydenko topped the triumvirate of Rafael Nadal, Roger Federer and Juan Martin del Potro in London, thus knocking out the Australian Open champion, French Open and Wimbledon titlist, and...

Davydenko takes ATP Finals title

Nikolay Davydenko has won the first big tournament of his career, beating U.S. Open champion Juan Martin del Potro 6-3, 6-4 to win the ATP World Tour Finals.

...Nikolay Davydenko of Russia serves the ball during the men's singles final match against Juan Martin Del Potro of Argentina during the Barclays ATP World Tour Finals at the O2 Arena on November...

Federer out of ATP Finals

Roger Federer has been eliminated from the ATP World Tour Finals after losing to Nikolay Davydenko 6-2, 4-6, 7-5 in the semifinals.

...Federer of Switzerland returns the ball during the men's singles round robin match against Juan Martin Del Potro of Argentina during the Barclays ATP World Tour Finals at the O2 Arena on November...

Davydenko win knocks Djokovic out

Nikolay Davydenko grabbed the last semifinal spot at the ATP World Tour Finals by beating Robin Soderling 7-6 (4), 4-6, 6-3, knocking defending champion Novak Djokovic out of the tournament.

LONDON, ENGLAND - NOVEMBER 26: Juan Martin Del Potro of Argentina celebrates going through to the semi-final after he won his match during...

Juan Martin Del Potro of Argentina plays the ball through his legs against Roger Federer of Switzerland in a...