Porsche Tennis Grand Prix

The Porsche Tennis Grand Prix, also called the Women's Stuttgart Open, is a WTA Premier tournament held in Stuttgart, Germany, played on indoor clay courts. The competition was established in 1978 and is the longest running women's indoor tennis tournament played in Europe. Former title winners include Martina Navratilova, Pam Shriver, Martina Hingis, Lindsay Davenport, and Maria Sharapova.