Tags: Tennis Tournament, Tournament.
The 1990 Norstar Bank Hamlet Challenge Cup was a tennis tournament played on outdoor hard courts. It was the 10th edition of the event (the first as a professional tournament and not an exhibition) known that year as the Norstar Bank Hamlet Challenge Cup and was part of the ATP World Series of the 1990 ATP Tour. It took place at the Hamlet Golf and Country Club in Commack Long Island New York United States from August 20 to August 26 1990.The singles field was headlined by new World No.