MADRID, May 12 (UPI) -- Serena Williams protected her world No. 1 ranking and Mutua Madrid Open title with a straight-set win Sunday over Maria Sharapova.
Williams, who lost only one set in the tournament, defeated Sharapova 6-1, 6-4. Williams is 13-2 all-time versus Sharapova, including a championship match win earlier this year in Miami.