As an individual, Ken Flach captured three consecutive individual NCAA Division II singles titles from 1981 to 1983. As a teammate, he won two NCAA Division II doubles titles in 1982 and 1983 with different partners and advanced to the finals with a third different partner in 1981. Flach captured four Grand Slam titles professionally with two at Wimbledon (1987 and 1988) and two at the U.S. Open (1985 and 1993).