The Cullman-Heyman Tennis Center is a tennis complex located on the campus of Yale University in New Haven, Connecticut. It is the venue for the New Haven Open at Yale. The complex consists of 22 outdoor and 8 indoor DecoTurf hardcourts, and 5 outdoor clay courts. The stadium, known as the Connecticut Tennis Center, was built in 1991, and by 2009 it had seats for 13,000 spectators.