The 1988 Porsche Tennis Grand Prix was a women's tennis tournament played on indoor carpet courts at the Filderstadt Tennis Centre in Filderstadt in West Germany and was part of the Category 4 tier of the 1988 WTA Tour. It was the 11th edition of the tournament and was held from 10 October to 16 October 1988. First-seeded Martina Navratilova won the singles title, her third consecutive and fifth in total.[1] [2]
See main article: 1988 Porsche Tennis Grand Prix – Singles. 
Martina Navratilova defeated Chris Evert 6–2, 6–3
See main article: 1988 Porsche Tennis Grand Prix – Doubles. 
Iwona Kuczyńska / Martina Navratilova defeated 
Raffaella Reggi / Elna Reinach 6–1, 6–4
| Event | W | F | SF | QF | Round of 16 | Round of 32 | ||
| style=background:#efefef | Singles | $50,000 | $22,500 | $11,250 | $5,650 | $2,850 | $1,475 |
|---|