The 1999 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor hard courts in Filderstadt, Germany. that was part of Tier II of the 1999 WTA Tour. It was the 22nd edition of the tournament and was held from 4 October until 10 October 1999. First seeded Martina Hingis won the singles title, her third at the event after 1996 and 1997, and earned $80,000 first prize money.
Entrants
Seeds
Other entrants
The following players received wildcards into the singles main draw: Mary Joe Fernández Jennifer Capriati Anke Huber
The following players received wildcards into the doubles main draw: Mia Buric / Anke Huber
The following players received entry from the singles qualifying draw:
Sabine Appelmans
Elena Dementieva
Lisa Raymond
Silvia Farina Elia
The following players received entry as lucky losers: Magüi Serna Anne-Gaëlle Sidot
The following players received entry from the doubles qualifying draw: Květa Hrdličková / Barbara Rittner
Prize money
Finals
Singles
Martina Hingis defeated Mary Pierce, 6–4, 6–1
This was Hingis' seventh title of the year.
Doubles
Chanda Rubin / Sandrine Testud defeated Arantxa Sánchez Vicario / Larisa Neiland, 6–3, 6–4