2005 Porsche Tennis Grand Prix – Singles
| Singles | |
|---|---|
| 2005 Porsche Tennis Grand Prix | |
| Champion | Lindsay Davenport |
| Runner-up | Amélie Mauresmo |
| Score | 6–2, 6–4 |
| Draw | 28 (3WC/4Q) |
| Seeds | 8 |
Defending champion Lindsay Davenport defeated Amélie Mauresmo in a rematch of the previous year's final, 6–2, 6–4 to win the singles tennis title at the 2005 Stuttgart Open.