The 1978 U.S. Clay Court Championships was a combined men's and women's tennis tournament that was held at the Indianapolis Racquet Club in Indianapolis, Indiana in the United States and played on outdoor clay courts. It was the tenth edition of the tournament in the Open Era and was held from August 7 through August 13, 1978. First-seeded Jimmy Connors won the men's singles title and the accompanying $24,000 first-prize money, while college amateur Dana Gilbert, who entered the main draw on a wildcard, took the women's championship.
Jimmy Connors defeated José Higueras 7âÂÂ5, 6âÂÂ1
Dana Gilbert defeated Viviana González 6âÂÂ2, 6âÂÂ3
Hank Pfister / Gene Mayer defeated Jeff Borowiak / Chris Lewis 6âÂÂ3, 6âÂÂ1
Helena Anliot / Helle Sparre-Viragh defeated Barbara Hallquist / Sheila McInerney 6âÂÂ3, 6âÂÂ1