DOHA, Qatar, Dec. 31 (UPI) -- Defending champion Ivan Ljubicic collected a straight-set win Monday in the opening round of the Qatar Open.

BASEL, Switzerland, Oct. 23 (UPI) -- World No. 1 Roger Federer beat German Michael Berrer 6-1, 3-6, 6-3 Tuesday in the first round of the $1.2 million Swiss Indoors tennis.

MOSCOW, Oct. 12 (UPI) -- Top-seeded Nikolay Davydenko Friday earned his seventh semifinal berth of the year with a straight-set win at the $1 million Kremlin Cup in Moscow.

MOSCOW, Oct. 11 (UPI) -- Defending champion Nikolay Davydenko earned a quarterfinals spot with a straight-set victory Thursday in the $1 million Kremlin Cup tennis tournament in Moscow.

WASHINGTON, Aug. 1 (UPI) -- Arnaud Clement and Mardy Fish were both second-round losers Wednesday at the Legg Mason Tennis Classic.

INDIANAPOLIS, July 24 (UPI) -- Seventh-seeded American Robby Ginepri and eighth-seeded Benjamin Becker of Germany were eliminated from the Indianapolis Tennis Championships Monday.

LOS ANGELES, July 21 (UPI) -- No. 2 seed James Blake defeated Vincent Spadea Friday to advance to the semifinals of the Countrywide Classic in Los Angeles.

NEWPORT, R.I., July 9 (UPI) -- Vincent Spadea defeated fellow American Justin Gimelstob 6-4, 6-3 Monday in the opening round of the Hall of Fame Tennis Championships.

WIMBLEDON, England, June 25 (UPI) -- Four-time defending champion Roger Federer rolled through his first-round match Monday, opening his Wimbledon title defense with a straight-set win.