The 1981 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 Category 4[a] tier of the 1981 Toyota Series. It was the fourth edition of the tournament and was held from 26 October through 1 November 1981.[2] First-seeded Tracy Austin won the singles event, her fourth successive singles title at the event, and the accompanying $22,000 first-prize money.[2][1]
