(By PAT EATON-ROBB, Associated Press Writer) U.S. Open top seed Caroline Wozniacki won her third consecutive Pilot Pen tennis title Sunday, beating Russian Nadia Petrova 6-3, 3-6, 6-3 in the final.The victory capped a good week for the 20-year-old Danish star, who won in Montreal on Monday and heads to New York with four wins this season, the most of any player on tour.