Tomas Berdych of the Czech Republic reacts after a line call during his match against Roger Federer of Switzerland in the semi-finals of the Dubai Duty Free Tennis Championships in Duba

 

              Tomas Berdych of the Czech Republic reacts after a line call during his match against Roger Federer of Switzerland in the semi-finals of the Dubai Duty Free Tennis Championships in Duba
Tomas Berdych of the Czech Republic reacts after a line call during his match against Roger Federer of Switzerland in the semi-finals of the Dubai Duty Free Tennis Championships in Dubai, United Arab Emirates, Monday, March 1, 2013. (AP Photo/Regi Varghese)