Caroline Wozniacki is winning matches as well as fans at the US Open . The former world No . 1 had the crowd behind her as she beat Maria Sharapova . Wozniacki is now picking up her career after being defeated by Rory McIlroy in May . New York is also proving to be a happy hunting ground for Flavia Pennetta , a semifinalist last year . Dane will beat Italian 13th seed Sara Errani in quarterfinals in New York .
Caroline Wozniacki is winning matches as well as fans at the US Open . The former world No . 1 had the crowd behind her as she beat Maria Sharapova . Wozniacki is now picking up her career after being defeated by Rory McIlroy in May . Dane will beat Italian 13th seed Sara Errani in quarterfinals in New York .