how many players in the us open field
U.S. Open (golf) The U.S. Open is open to any professional, or to any amateur with an up-to-date men's USGA Handicap Index not exceeding 1.4.[3] Players (male or female)[3] may obtain a place by being fully exempt or by competing successfully in qualifying. The field is 156 players.
US Open (tennis) The US Open is held annually, starting on the last Monday in August, and lasting for two weeks into September, with the middle weekend coinciding with the Labor Day holiday. The main tournament consists of five event championships: men's and women's singles, men's and women's doubles, and mixed doubles, with additional tournaments for senior, junior, and wheelchair players. Since 1978, the tournament has been played on acrylic hard courts at the USTA Billie Jean King National Tennis Center in Flushing Meadows–Corona Park, Queens, New York City. The US Open is owned and organized by the United States Tennis Association (USTA), a not-for-profit organization. Net proceeds from ticket sales, sponsorships, and television deals are used to promote the development of tennis in the United States.