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.
2017 US Open (tennis) The 2017 US Open was the 137th edition of tennis' US Open and the fourth and final Grand Slam event of the year. It was held on outdoor hard courts at the USTA Billie Jean King National Tennis Center in New York City. Experimental rules featured in qualifying for the main draw as well as in the junior, wheelchair and exhibition events.