Singapore (SportsNetwork.com) -
In an epic battle of former world No. 1s, U.S. Open runner-up Caroline Wozniacki upset French Open champion Maria Sharapova in round-robin action at the season-ending $6.5 million WTA Finals.
The eighth-seeded Wozniacki outlasted the second-seeded Sharapova 7-6 (7-4), 6-7 (5-7), 6-2 in 3 hours, 13 minutes in Tuesday's first match on the hardcourts at Singapore Indoor Stadium.
After taking the 74-minute first set in a tiebreak, Wozniacki had chances to close it out in straight sets, going up 5-3 in the second and then serving for the match.