Nuria Llagostera Vives

Number one seed Caroline Wozniacki of Denmark returns a shot to Nuria Llagostera Vives of Spain in a women's singles match at the US Open tennis tournament August 30, 2011.(credit: STAN HONDA/AFP/Getty Images)

Caroline Wozniacki Wins In Straight Sets To Start US Open

Caroline Wozniacki cruised into the second round of the U.S. Open on Tuesday as the top-seeded Dane again seeks her first major title.