Danish star Caroline Wozniacki ousted second seeded Maria Sharapova in an epic three set match that lasted more than three hours at the WTA Finals in Singapore on Tuesday.

World No. 1 Serena Williams defeated Ana Ivanovic in two straight sets 6-4 6-4 in the opening day of the WTA Finals in Singapore on Monday.

U.S. Open champion Marin Cilic won his fourth ATP Tour Title of the year at the Kremlin Cup in Moscow Russia on Sunday.

Top seeded Andy Murray rallied back from a set down against David Ferrer to win the Erste Bank Open in Vienna, Austria on Sunday.