"I called for the doctor and the physio to massage my legs. Not much more they could do. I hope to come back again next year."
Wang, who is ranked 189th in the world, revealed she was keen to take advantage of Wozniacki's problems.
"I tried to make her run more to take advantage of her illness and it paid off. This is the best win of my career and it will give me more confidence," the 21-year-old told reporters.