Rafael Nadal was the defending champion, but chose not to participate that year.
Second-seeded Nikolay Davydenko won the singles title at 2009 International German Open tennis tournament, defeating Paul-Henri Mathieu in the final .
Seeds All seeds receive a bye into the second round.
Draw
Finals
Top half
Section 1
Section 2
Bottom half
Section 3
Section 4
Qualifying The top two seeds received a bye into the qualifying competition
Seeds
Qualifiers
Draw
First qualifier
Second qualifier
Third qualifier
Fourth qualifier
Fifth qualifier
Sixth qualifier
References
External links Main draw Qualifying draw