The 1978 Porsche Tennis Grand Prix was a women's singles tennis tournament played on indoor carpet courts at the Tennis Sporthalle Filderstadt in Filderstadt in West Germany. The event was part of the A category of the 1978 Colgate Series. It was the inaugural edition of the tournament and was held from 23 October through 29 October 1978. First-seeded Tracy Austin won the singles title, her first as a professional, and earned $6,000 first-prize money as well as a Porsche 924.
Tracy Austin defeated Betty Stöve 6âÂÂ3, 6âÂÂ3
Tracy Austin / Betty Stöve defeated Mima Jauà ¡ovec / Virginia Ruzici 6âÂÂ3, 6âÂÂ2