2005 Porsche Tennis Grand Prix – Singles

Singles
2005 Porsche Tennis Grand Prix
Champion Lindsay Davenport
Runner-up Amélie Mauresmo
Score6–2, 6–4
Draw28 (3WC/4Q)
Seeds8

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.