Agnieszka Radwanska, of Poland, reacts after losing a point to Dominika Cibulkova, of Slovakia, at the Sony Open Tennis tournament in Key Biscayne, Fla., Wednesday, March 26, 2014. Cibulkova won 3-6, 7-6 (5), 6-3. (AP Photo/Alan Diaz)

Key Biscayne Tennis

Agnieszka Radwanska, of Poland, reacts after losing a point to Dominika Cibulkova, of Slovakia, at the Sony Open Tennis tournament in Key Biscayne, Fla., Wednesday, March 26, 2014. Cibulkova won 3-6, 7-6 (5), 6-3. (AP Photo/Alan Diaz)

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