ST. PETERSBURG, Russia, Oct. 29 (UPI) -- Top-seeded Mikhail Youzhny of Russia dropped out of the St. Petersburg Open in Russia Thursday, retiring with a back injury during his second-round match.

SHANGHAI, Oct. 13 (UPI) -- Fourth-seeded Andy Roddick withdrew from his second-round match Tuesday at the $5.3 million Shanghai ATP Masters tournament because of a knee injury.

SHANGHAI, Oct. 11 (UPI) -- Igor Kunitsyn, Feliciano Lopez, Shao-Xuan Zeng and Andreas Beck were first-round winners Sunday in the Shanghai ATP Masters.

WASHINGTON, Aug. 5 (UPI) -- Top-seeded Andy Roddick coasted into the third round of the Legg Mason Classic in Washington Wednesday with a 6-3, 6-2 decision over Benjamin Becker.

INDIANAPOLIS, July 23 (UPI) -- Rain wiped out the entire day's play Wednesday at the Indianapolis Tennis Championships.

TEL AVIV, Israel, July 11 (UPI) -- The team of Andy Ram and Jonathan Ehrlich won their doubles match in five sets Saturday, leading Israel to its first ever Davis Cup semifinal.

TEL AVIV, Israel, July 10 (UPI) -- Harel Levy and Dudi Sela each won in four sets Friday, putting home-standing Israel ahead 2-0 in its Davis Cup quarterfinals against Russia.

TEL AVIV, Israel, July 9 (UPI) -- Dudi Sela, after a surprising fourth-round Wimbledon showing, leads Israel's Davis Cup team against Russia in a best-of-five quarterfinal series.

LONDON, June 25 (UPI) -- French Open semifinalist and world No. 5 Juan Martin del Potro was upset in straight sets Thursday in the second round of the Wimbledon championships in London.