See main article: 2009 Lambertz Open by STAWAG. Michael Kohlmann and Alexander Waske didn't defend their title.
Kohlmann participated with Horia Tecău, but lost to Philipp Marx and Igor Zelenay in the semifinals.
Rohan Bopanna and Aisam-ul-Haq Qureshi defeated Marx and Zelenay 6–4, 7–6(6) in the final.