ATP World Tour Dubai Duty Free Championship Results

Updated: February 27, 2013, 1:28 PM ET

Associated Press

Wednesday

At Dubai Tennis Stadium

Dubai, United Arab Emirates

Purse: $2.4 million (WT500)

Surface: Hard-Outdoor

Singles

Second Round

Tomas Berdych (3), Czech Republic, def. Tobias Kamke, Germany, 7-5, 6-1.

Daniel Brands, Germany, def. Mikhail Youzhny (8), Russia, 6-4, 6-4.

Nikolay Davydenko, Russia, def. Victor Hanescu, Romania, 6-4, 7-6 (2).

Andreas Seppi (7), Italy, def. Lukas Rosol, Czech Republic, 6-4, 7-6 (4).

Juan Martin del Potro (4), Argentina, def. Somdev Devvarman, India, 6-4, 6-4.

Dmitry Tursunov, Russia, def. Michael Llodra, France, 7-6 (5), 2-6, 6-3.

Roger Federer (2), Switzerland, def. Marcel Granollers, Spain, 6-3, 6-4.

Novak Djokovic (1), Serbia, def. Roberto Bautista Agut, Spain, 6-1, 7-6 (4).

Doubles

First Round

Rohan Bopanna, India, and Rajeev Ram, United States, def. Aisam-ul-Haq Qureshi, Pakistan, and Jean-Julien Rojer (2), Netherlands, 6-4, 6-4.

Victor Hanescu, Romania, and Lukas Rosol, Czech Republic, def. Omar Awadky and Hamad Abbas Janahi, United Arab Emirates, 6-0, 6-2.

Mahesh Bhupathi, India, and Michael Llodra, France, def. Janko Tipsarevic and Victor Troicki, Serbia, 6-3, 6-3.

Quarterfinals

Robert Lindstedt, Sweden, and Nenad Zimonjic (3), Serbia, def. Nikolay Davydenko, Russia, and Dick Norman, Belgium, 6-1, 6-4.