TOKYO - SEPTEMBER 29:  Caroline Wozniacki of Denmark and Aleksandra Wozniak of Canada greet after Wozniacki retired from the match during the third day of the Toray Pan Pacific Open Tennis tournament at Ariake Colosseum on September 29, 2009 in Tokyo, Japan. Getty Images logo Getty Images 2 months ago

TOKYO - SEPTEMBER 29: Caroline Wozniacki of Denmark and Aleksandra Wozniak of Canada greet after Wozniacki retired from the match during the third day of the Toray Pan Pacific Open Tennis tournament at Ariake Colosseum on September 29, 2009 in Tokyo, Japan.