Robin Haase, of the Netherlands, serves to Lleyton Hewitt, of Australia, at the Sony Open tennis tournament in Key Biscayne, Fla., Thursday, March 20, 2014. Hewitt won 3-6, 6-3, 6-3. (AP Photo/Alan Diaz)

Sony Open Tennis

Robin Haase, of the Netherlands, serves to Lleyton Hewitt, of Australia, at the Sony Open tennis tournament in Key Biscayne, Fla., Thursday, March 20, 2014. Hewitt won 3-6, 6-3, 6-3. (AP Photo/Alan Diaz)

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