World No. 2 Roger Federer needed to rally for a three-set win Monday in the first round of the Dubai Duty Free Tennis Championships.
Denis Istomin claimed a lopsided upset victory Tuesday in first-round play of the Brisbane International tennis tournament.
Florian Mayer's singles victory over Igor Andreev clinched a first-round win for defending champion Germany at the World Team Cup tennis event Monday.
Ryan Sweeting began his defense of the U.S. Men's Clay Court Championships with a first-round win over Ricardo Mello Tuesday.
Second-seeded Roger Federer won sets in very different ways Tuesday in a first-round match at the Dubai Duty Free Tennis Championships.
Fifth-seeded Richard Gasquet dropped just two games Tuesday in a first-round win at the Open 13 tennis tournament in France.
Viktor Troicki had a dominant second set in collecting a straight-set win Tuesday in the first round of the ABN AMRO World Tennis Tournament in the Netherlands.
Jurgen Melzer on Sunday posted his second win of the series in sealing an Austrian win in a Davis Cup first-round series against Russia.
Nikolay Davydenko and Mikhail Youzhnv kept Russia's Davis Cup hopes alive Saturday with a doubles victory over Austria.
Qualifier Florent Serra picked up a first-round win Tuesday and the right to face top-seeded Tomas Berdych in the Sud de France Open tennis tournament.
United Press International