Aaron Krickstein (born August 2, 1967), nicknamed "Marathon Man", is an American former professional tennis player who competed on the ATP Tour from 1983 to 1996. He currently competes on the Outback Champions Series Over-30 tour. Krickstein reached his career high ATP ranking of World No. 6 on February 26, 1990. He achieved this ranking on the back of wins in Sydney and Los Angeles, as well as his best ever results at Wimbledon and the US Open. He is perhaps best known for his five-set, marathon loss to Jimmy Connors at the 1991 US Open, which ESPN called "an instant classic". Personal life Krickstein was born in Ann Arbor, Michigan, the son of Evelyn, a stay-at-home mom, and Herb Krickstein, a pathologist. His sister, Kathy, won the Big Ten tennis championship in 1978. He is the uncle of LPGA golfer Morgan Pressel, Kathy's daughter. Krickstein is Jewish and in the early 1990s was one of three highly ranked Jewish-American tennis players, along with Jay Berger and Brad Gilbert. Krickstein has been the director of tennis at St. Andrews Country Club in Boca Raton, Florida, since 2002. Career Junior Krickstein started playing tennis when he was six. He became an active competitor on the high school tennis scene during his teens, and still holds the Michigan record for most consecutive match wins at this level (56). He played for University Liggett School. Krickstein won the American National Under 16 championship in 1982. While still only 16, he was the US National Junior Tennis Association Champion, Clay Champion, and USTA National Champion in the 18s in 1983. He won five consecutive junior championships. Professional Krickstein set an ATP record for being the youngest player to win a singles title on the ATP Tour (at age 16, 2 months after his 16th birthday), in Tel Aviv. Krickstein set a record for being the youngest player to ever break the top 10 (at age 17). As of , both records still stand. In 1984, he won the U.S. Pro Tennis Championship, becoming its youngest winner, and a clay court tournament in Boston. In 1989 he won the Tokyo Indoor Tennis Tournament and a hard court tournament in Sydney, Australia. In 1991, 1992, and 1993 he won the South African Open. Krickstein had an injury-plagued career, which included stress fractures in his feet, problems with his knees and wrists in 1985 and 1986, and