Key Women's Players to Watch at U.S. Open

(Reuters) - Here are five players to watch for on the women's side of the Aug. 31-Sept. 13 U.S. Open in New York.

SERENA WILLIAMS

The top-ranked American is at the center of the tennis universe as she swings for history and ultimate domination. Williams, the three-times defending champion, is bidding to complete a calendar-year sweep of the four grand slams, which was last accomplished by Steffi Graf in 1988. Another triumph would give Williams a 22nd career grand slam singles title.

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SIMONA HALEP

The 23-year-old Romanian recently ascended to world number two after reaching the final in Cincinnati last week. Halep has not enjoyed the best of grand slam seasons, with a quarterfinal exit at the…