Event: The 111th U.S. Open Tennis Championships, the las of tennis' four grand slam events, begins tomorrow and ends with the men's singles title on Sept. 8.
Surface: DecoTurf II (hardcourts).
Seating capacity: Stadium: 19,987 seats; Grandstand: 6,000.
Purse: $7,250,000, with $400,000 to each of the women's and men's champions.
Field: 128 players in each of the men's and women's singles competition.
Top seeds: Women: Steffi Graf, Germany; Men: Boris Becker, Germany.
Defending champions: Women: Gabriela Sabatini, Argentina; Men: Pete Sampras, Bradenton, Fla.
Former champions in field: Women: Martina Navratilova, Steffi Graf and Gabriela Sabatini. Men: John McEnroe, Jimmy Connors, Ivan Lendl and Pete Sampras.
Youngest champions: Women: Tracy Austin, 1979, 16 years, 8 months, 28 days; Men: Pete Sampras, 1990, 19 years, 28 days.
Oldest champions: Women: Maud Barger-Wallach, 1908, 38 years; Men: Bill Larned, 1911, 38 years, 8 months, 3 days.
Television: CBS will have 28 1/2 hours of live coverage, including 8 scheduled hours on Sept. 7, the day of the women's final and men's semifinals. USA Network will have 90 1/2 hours of live coverage through the quarterfinal round in singles and the finals in women's doubles.