Caroline Wozniacki reached the US Open final in 2009 and 2014.
The US Open women’s draw has lost its top two seeds after Caroline Wozniacki suffered a shock second-round loss to Ukraine’s Lesia Tsurenko.The world number two from Denmark has reached the US Open final twice but lost 6-4 6-2 to the world number 36.
Caroline Wozniacki won her first Grand Slam title in Australia this year.
Australian Open champion Caroline Wozniacki beat Australian Sam Stosur 6-3 6-2 in hot conditions to reach the second round of the US Open. Second seed Wozniacki, 28, broke the 2011 champion’s serve five times on a day when temperatures in New York topped 32C with high humidity.