However it was Wozniacki, twice a U.S. Open finalist, who showed more fitness and a little less competitive rust, winning 11 of 12 games after dropping the opening set. "I guess I always had the belief in myself," said Wozniacki. Would I have been surprised had I lost in the first round? "I can't really compare her level before or after coming back from retirement," said Brady after facing Wozniacki for the first time. Reporting by Steve Keating in New York; Editing by Ken FerrisOur Standards: The Thomson Reuters Trust Principles.

---

Persons: Denmark's Caroline Wozniacki, Jennifer Brady, Mike Segar, Caroline Wozniacki, Wozniacki, Brady, Arthur Ashe, Dane, Coco Gauff, Elise Mertens, she's, Steve Keating, Ken Ferris Organizations: Tennis, U.S, REUTERS, Thomson Locations: Flushing Meadows , New York, United States, Flushing Meadows, Brady, American, New York