Full unused ticket from the Sept. 6, 1988 night session of the U.S. Open at the National Tennis Center in Flushing, New York. The 1988 U.S. Open is best remembered for Steffi Graf becoming the third woman in history to complete a calendar year Grand Slam. Graf may or may not have played in this particular night session. Has minor flaws/wear. ONLY ONE AVAILABLE FOR SALE.