Petzschner eliminates top-seeded Wawrinka with upset in Vienna

Top-seeded Stanislas Wawrinka was upset 6-7 (5), 6-2, 7-6 (5) Tuesday by German qualifier Philipp Petzschner in the first round of the BA Tennis Trophy.

Schuettler appeals to CAS for spot in Olympic tennis tournament

German tennis player Rainer Schuettler sent an application to the Court of Arbitration for Sport on Sunday, asking world sport's highest authority to give him a spot at the Beijing Olympics.

Tsonga, Koubek, Knapp withdraw from Olympics with injuries

Australian Open finalist Jo-Wilfried Tsonga, Stefan Koubek and Karin Knapp have withdrawn from the Olympic tennis tournament because of injuries on Tuesday.

This Challenger more like a regular ATP Tour stop

Challenger events are the Triple-A of tennis -- a breeding ground for future headliners. However, the BMW Tennis Championship is a welcome aberration where players can cultivate their games versus the ATP Tour's upper echelon.

Ljubicic, Ancic, Tipsarevic advance to Zagreb Indoors quarterfinals

Top-seeded Ivan Ljubicic served 18 aces in beating fellow Croat Lovro Zovko 6-4, 7-6 (3) to make the quarterfinals of the Zagreb Indoors.

Fourth seed Santoro out of Zagreb because of shoulder

Fourth seed Fabrice Santoro pulled out of the Zagreb Indoors with a shoulder injury.

Beware France

...in a total of 10 matches was U.S. doubles specialist Mike Bryan's capitulation to Stefan Koubek in a dead rubber; Bryan pulled a hamstring and retired early in the second set. And...

James Blake from the U.S. Davis Cup team returns a shot to Austria's Stefan Koubek during the second single of the Davis Cup World Group matches Austria versus United States, on...

...talks to captain Patrick McEnroe during the Davis Cup World Group single match against Austria's Stefan Koubek, Austria versus United States, in Vienna, Austria, on Sunday, Feb. 10, 2008. (AP Photo/Hans Punz...

U.S. team moves on to quarters after Bryans earn doubles victory

The defending champion United States advanced to the Davis Cup quarterfinals behind a commanding doubles victory by twins Bob and Mike Bryan on Saturday over Austria's Julian Knowle and Jurgen Melzer.

Roddick, Blake win opening singles matches for defending champions

Andy Roddick and James Blake won opening singles matches to give the defending champion United States a 2-0 lead over Austria in the first round of the Davis Cup.

Roddick plays Melzer, Blake faces Koubek in Davis Cup

Andy Roddick will face Jurgen Melzer on Friday in the opening match when the United States defends its Davis Cup title against Austria on indoor clay.

Recent powerhouse Serbia looking to tame talented Russian squad

In the blink of an eye, Davis Cup competition is back. Can the U.S. avoid a letdown on dirt? How will Aussie Open champ Novak Djokovic respond? Ravi Ubha breaks down the eight first-round matchups.

Austria hopes to slow U.S. Davis Cup team on clay surface

The defending champion U.S. Davis Cup team will shift from the hard courts to slow clay when it faces Austria in the first round.

U.S. faces obstacles in defending Davis Cup championship

They've scarcely had time to revel in their first title in 12 years, yet the U.S. embarks on a voyage to Vienna to face Austria in the first round of Davis Cup. The clay surface, coupled with an afflicted time for the American players could be troubling.