 Past Participants include Rod Laver, Barry MacKay, Stan Smith, Arthur Ashe, Jimmy Connors, John McEnroe, Aaron Krickstein, Andre Agassi, Jim Courier, Pete Sampras, James Blake, Andy Roddick, Bob and Mike Bryan, Mike Franks, Jack Sock, and Jon Douglas.All of these prominent tennis players participated in the tournament, though only Laver (1956), Smith (1964), and Sock (2010, 2011) won the boys' 18-and-under National Championships for singles.Kalamazoo College's facilities include the Stowe Tennis Stadium which has eleven well-maintained hard courts outside, with seating for 3,000 spectators.