Lukasz Kubot, of Poland, returns to Matthew Ebden, of Australia, during the first round at the Sony Open tennis at Key Biscayne, Fla., Wednesday, March 19, 2014. (AP Photo/Alan Diaz)

Sony Open Tennis

Lukasz Kubot, of Poland, returns to Matthew Ebden, of Australia, during the first round at the Sony Open tennis at Key Biscayne, Fla., Wednesday, March 19, 2014. (AP Photo/Alan Diaz)

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