Kei Nishikori of Japan reacts after winning his quarterfinal against Alexandr Dolgopolov of Ukraine 6-4, 7-6 during the Brisbane International tennis tournament in Brisbane, Australia,

 

              Kei Nishikori of Japan reacts after winning his quarterfinal against Alexandr Dolgopolov of Ukraine 6-4, 7-6 during the Brisbane International tennis tournament in Brisbane, Australia,
Kei Nishikori of Japan reacts after winning his quarterfinal against Alexandr Dolgopolov of Ukraine 6-4, 7-6 during the Brisbane International tennis tournament in Brisbane, Australia, Friday, Jan. 4, 2013. (AP Photo/Tertius Pickard).