Caroline Wozniacki wins Istanbul Cup

Caroline Wozniacki of Denmark holds up her trophy after her victory against Roberta Vinci of Italy in their tennis final match at the Istanbul Cup in Istanbul, Turkey, Sunday, July 20, 2014. Wozniacki overpowered second-seeded Vinci 6-1, 6-1 Sunday to win the Istanbul Cup final and clinch her first WTA title of the year.

Caroline Wozniacki of Denmark, left, and Roberta Vinci of Italy hold their trophies after their tennis final match at the Istanbul Cup in Istanbul, Turkey, Sunday, July 20, 2014

Caroline Wozniacki of Denmark returns a shot to Roberta Vinci of Italy, during their tennis final match at the Istanbul Cup in Istanbul, Turkey, Sunday, July 20, 2014.

Roberta Vinci of Italy returns a shot to Caroline Wozniacki of Denmark during their tennis final match at the Istanbul Cup in Istanbul, Turkey, Sunday, July 20, 2014.

Italy's Roberta Vinci reacts during a WTA Istanbul Cup final tennis match against Denmark's Caroline Wozniacki on July 20, 2014 in Istanbul.

Caroline Wozniacki of Denmark celebrates after her victory against Roberta Vinci of Italy in their Istanbul Cup women's singles final tennis match, in Istanbul July 20, 2014.

Caroline Wozniacki of Denmark hits a return to Roberta Vinci of Italy during their Istanbul Cup women's singles final tennis match in Istanbul, July 20, 2014.

Roberta Vinci of Italy hits a return to Caroline Wozniacki of Denmark during their Istanbul Cup women's singles final tennis match in Istanbul, July 20, 2014.

Denmark's Caroline Wozniacki reacts during a WTA Istanbul Cup final tennis match against Italy's Roberta Vinci on July 20, 2014 in Istanbul.

Italy's Roberta Vinci serves the ball to Denmark's Caroline Wozniacki during a WTA Istanbul Cup final tennis match on July 20, 2014 in Istanbul. Wozniacki won 6-1, 6-1.