a new 14,000-seat louis armstrong stadium opened for the 2018 us open. this new stadium features a retractable roof and is the largest of no. 2 stadium at a grand slam site. for the 2017 tournament, while construction was still ongoing on the new stadium, a temporary 8,800-seat stadium was built on the site of the demolished ticket office and east gate entrance, on parking lot b, close to the boardwalk ramp to the subway and lirr trains.