US Open Sets Three-Week, Grand Slam Attendance Record in 2023 First Grand Slam Event to Welcome 950,000 Spectators over Three Weeks (September 10, 2023) FLUSHING, NY - The US Open set new standards for attendance in 2023, breaking its two- and three-week attendance records and becoming the first Grand Slam to welcome more than 950,000 spectators over a three-week … [Read more...] about US Open Sets Three-Week, Grand Slam Attendance Record in 2023