Caroline Wozniacki finished the year as WTA world No. 1 for the first time in her career, though Kim Clijsters was named the Player of the Year. Wozniacki won six tournaments during the season, including three Premier Mandatory and Premier 5 events. Clijsters won five tournaments during the season, including a major at the US Open, the WTA Tour Championships, and two Premier Mandatory and Premier 5 events.