Serbia's Novak Djokovic reacts during his quarterfinal match against Tomas Berdych of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/Aaron Favila)

Associated Press
Serbia's Novak Djokovic reacts during his quarterfinal match against Tomas Berdych of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/Aaron Favila)
Serbia's Novak Djokovic reacts during his quarterfinal match against Tomas Berdych of the Czech Republic at the Australian Open tennis championship in Melbourne, Australia, Tuesday, Jan. 22, 2013. (AP Photo/Aaron Favila)
View Comments (0)