Alexandr Dolgopolov, of Ukraine, looks down after losing a point to Tomas Berdych, of Czech Republic, at the Sony Open Tennis tournament in Key Biscayne, Fla., Thursday, March 27, 2014. Berdych won 6-4, 7-6 (3).(AP Photo/Alan Diaz)

Key Biscayne Tennis

Alexandr Dolgopolov, of Ukraine, looks down after losing a point to Tomas Berdych, of Czech Republic, at the Sony Open Tennis tournament in Key Biscayne, Fla., Thursday, March 27, 2014. Berdych won 6-4, 7-6 (3).(AP Photo/Alan Diaz)

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