LONDON:
The begins on Sunday with the spotlight on the big names, but several other contenders could just as easily steal the headlines at Flushing Meadows.
World ranking: 4
Last year's U.S. Open runner-up will be eager to go one better but a shock French Open loss to wildcard Lois Boisson and a first-round Wimbledon exit has done little to help her confidence.
The 31-year-old has won two of her three titles this year on home soil, in Austin and Charleston, but since Wimbledon the American has struggled to produce her best form.
She lost to Leylah Fernandez in Washington, to Magda Linette in Cincinnati and to Anastasija Sevastova at the Canadian Open, where Pegula was a two-times defending champion.
She will be hoping to re-assert her authority in New York after failing to go beyond