Tomas Berdych of Czech Republic celebrates winning the second set tie-break against Roger Federer of Switzerland during the semi-finals of the Dubai Duty Free Tennis Championships in Du

 

              Tomas Berdych of Czech Republic celebrates winning the second set tie-break against Roger Federer of Switzerland during the semi-finals of the Dubai Duty Free Tennis Championships in Du
Tomas Berdych of Czech Republic celebrates winning the second set tie-break against Roger Federer of Switzerland during the semi-finals of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Monday, March 1, 2013. (AP Photo/Regi Varghese)