PARIS (AP) Seventh-ranked Juan Martin del Potro of Argentina has pulled out of the upcoming French Open because of a respiratory virus. (MORE)

NICE, France (AP) American Sam Querrey reached the quarterfinals of the Nice Open by beating Sergiy Stakhovsky of Ukraine 7-5, 6-3 on Wednesday. (MORE)

DUESSELDORF, Germany (AP) Top-seeded Janko Tipsarevic lost in the second round of the Power Horse Cup on Wednesday, falling 7-6 (1), 6-1 to Argentine qualifier Guido Pella. (MORE)

STRASBOURG, France (AP) Seeded players Hsieh Su-wei of Taiwan and Monica Niculescu of Romania were beaten Wednesday in the second round of the Strasbourg International. (MORE)

LONDON (AP) Andy Murray withdrew from the French Open on Tuesday because of a chronic back injury and will now focus on preparing for the start of the grass-court season next month. (MORE)

ROME (AP) After all these years, Rafael Nadal still knows how to dominate Roger Federer. (MORE)

ROME (AP) Two-time defending champion Maria Sharapova has withdrawn before her Italian Open quarterfinal match against seventh-seeded Sara Errani because of illness. (MORE)

WINSTON-SALEM, N.C. (AP) Andy Roddick was handed the large American flag and then just stood there. He wasn't going on a victory lap until his teammates joined him. (Full Story)

BREMEN, Germany (AP) Having already advanced to the Davis Cup semifinals, Spain split its reverse singles Sunday and defeated Germany 4-1. (Full Story)

AMELIA ISLAND, Fla. (AP) Maria Sharapova entered the Bausch & Lomb Championships with hopes of gaining some experience on clay. (Full Story)