Serena Williams defends Madrid title
MADRID -- Serena Williams kept the No. 1, and added No. 50.
Williams beat Maria Sharapova 6-1, 6-4 in the final of the Madrid Open on Sunday to retain her No. 1 ranking and collect her 50th career title, while Rafael Nadal eased by Stanislas Wawrinka 6-2, 6-4 for his fifth title since returning from a knee injury.
The second-ranked Sharapova would have overtaken the top ranking with a win, but Williams stormed out to an early lead as Sharapova struggled with her serve.
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