how many courts does the us open have
US Open (tennis) The grounds of the US Open hold a total of 22 courts consisting of four "show courts" (Arthur Ashe, Louis Armstrong, Grandstand and Court 17), 13 field courts and five practice courts.
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.