Caroline Wozniacki of Denmark returns a shot against Kaia Kanepi of Estonia during the final match of the Korea Open tennis championships in Seoul, South Korea, Sunday, Sept. 23, 2012. Wozniacki won ... more 

Caroline Wozniacki of Denmark returns a shot against Kaia Kanepi of Estonia during the final match of the Korea Open tennis championships in Seoul, South Korea, Sunday, Sept. 23, 2012. Wozniacki won the match 6-1, 6-0. (AP Photo/Ahn Young-joon) less