2005 BMW Open – SinglesNikolay Davydenko was the defending champion, but lost in the second round this year.David Nalbandian won the title, defeating Andrei Pavel 6–4, 6–1 in the final.Seeds David Nalbandian Nikolay Davydenko ' Mario Ančić ' Tommy Haas ' Andrei Pavel ' Igor Andreev ' Paradorn Srichaphan ' Rainer Schüttler ''''