| 2009 Oberstaufen Cup | |
|---|---|
| Date | July 6 – July 32 |
| Edition | 18th |
| Location | Oberstaufen, Germany |
| Champions | |
| Singles | |
 Robin Vik | |
| Doubles | |
 Dieter Kindlmann / Marcel Zimmermann | |
The 2009 Oberstaufen Cup was a professional tennis tournament played on outdoor red clay courts. This was the eighteenth edition of the tournament which is part of the 2009 ATP Challenger Tour. It took place in Oberstaufen, Germany between 6 and 12 July 2009.
| Nationality | Player | Ranking* | Seeding |
|---|---|---|---|
 ARG | Martín Vassallo Argüello | 57 | 1 |
| GER | Michael Berrer | 102 | 2 |
| GER | Denis Gremelmayr | 150 | 3 |
 FRA | Alexandre Sidorenko | 168 | 4 |
| CZE | Jan Hájek | 185 | 5 |
 AUT | Stefan Koubek | 189 | 6 |
| GER | Dominik Meffert | 194 | 7 |
 SWE | Björn Rehnquist | 202 | 8 |
The following players received wildcards into the singles main draw:
Peter Gojowczyk Stefan Koubek Nils Langer Marcel Zimmermann The following players received entry from the qualifying draw:
Dustin Brown 
Jun Woong-Sun Cedrik-Marcel Stebe Robin Vik Dieter Kindlmann / Marcel Zimmermann def. Michael Berrer / Philipp Oswald, 6–4, 2–6, [10–4]
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