STUTTGART, Germany, July 13 (UPI) -- Unseeded Spaniard Ivan Navarro pushed second-seeded Russian Nikolay Davydenko hard before succumbing in Monday's first round of the Mercedes Cup in Germany.

STUTTGART, Germany, July 9 (UPI) -- France's Richard Gasquet, the No. 2 seed, came from behind to beat a Czech qualifier Wednesday in the second round of the Mercedes Cup in Germany.

HALLE, Germany, June 11 (UPI) -- Roger Federer made a successful return to grass-court play Wednesday with a straight-set win at the $1.12 million Garry Weber Open tournament in Germany.

MUNICH, Germany, May 1 (UPI) -- No. 2-seeded Fernando Gonzalez, despite a shaky start, escaped the upset trend that marked Thursday's second-round play at the BMW Open in Germany.

MUNICH, Germany, April 30 (UPI) -- No. 1-seeded Paul-Henri Mathieu and eighth-seeded Marin Cilic set up a quarterfinal match with victories Wednesday in the clay court BMW Open in Germany.

ESTORIL, Portugal, April 17 (UPI) -- Roger Federer, playing through a steady drizzle in Portugal Thursday, reached the quarterfinals of the Estoril Open with a 6-3, 6-2 win over Victor Hanescu.

BREMEN, Germany, April 13 (UPI) -- Spain ended up with a 4-1 win over Germany Sunday in their Davis Cup quarterfinal matches in Bremen, Germany.

ROTTERDAM, Netherlands, Feb. 18 (UPI) -- Defending champion Mikhail Youzhny lost to Janko Tipsarevic Monday in the first round of the $1.2 million ABN AMRO World Tennis event in the Netherlands.

MELBOURNE, Jan. 16 (UPI) -- No. 2-seeded Rafael Nadal posted a solid straight-set victory Wednesday in second-round play at the Australian Open.