This is a list of career achievements by Danish tennis player Caroline Wozniacki. To date, she has won 30 singles titles including a Grand Slam title, a WTA Finals title, three WTA Premier Mandatory titles and three WTA Premier 5 titles. She was the winner of the 2018 Australian Open and the 2017 WTA Finals, and the runner-up at the 2009 US Open, the 2010 WTA Tour Championships, and the 2014 US Open. Wozniacki was first ranked world No. 1 by the WTA on October 11, 2010.