2009 Baden Open

The 2009 Baden Open was a professional tennis tournament played on outdoor red clay courts. It was part of the 2009 ATP Challenger Tour. It took place in Karlsruhe, Germany between May 25–31, 2009.

Seeds

 * Rankings are as of May 18, 2009.

Other entrants
The following players received wildcards into the singles main draw:
 * 🇱🇹 Ričardas Berankis
 * 🇦🇹 Nicolas Reissig
 * 🇩🇪 Dominik Schulz

The following players received entry from the qualifying draw:
 * 🇯🇲 Dustin Brown
 * 🇵🇱 Adam Chadaj
 * 🇷🇺 Evgeny Donskoy
 * 🇩🇪 Peter Gojowczyk
 * 🇷🇴 Gabriel Moraru (as a Lucky loser)

Men's singles
🇩🇪 Florian Mayer def. 🇯🇲 Dustin Brown, 6–2, 6–4

Men's doubles
🇦🇺 Rameez Junaid / 🇩🇪 Philipp Marx def. 🇵🇱 Tomasz Bednarek / 🇵🇰 Aisam-ul-Haq Qureshi, 7–5, 6–4