Women's Stuttgart Open

The Stuttgart Open, also known by its sponsored name Porsche Tennis Grand Prix, is a women's tennis tournament held in Stuttgart, Germany. Held since 1978, the tournament is the oldest women's indoor tournament in Europe. The event was part of the Tier II category from 1990 until 2008 and as of 2009 has been a Premier tournament on the WTA Tour. The singles champion receives prize money and a Porsche sports car. Until 2008 the tournament was played on hardcourt in autumn. Since 2009 it is played on clay court in spring, as a warm-up tournament to the French Open, making it the first indoor clay court event on the women's tour.