| Date: | 18 – 26 July |
| Edition: | 6th |
| Category: | Tretorn SERIE+ |
| Draw: | 32S/32Q/16D |
| Prize Money: | €64,000+H |
| Surface: | Clay |
| Location: | Poznań, Poland |
| Venue: | Park Tenisowy Olimpia |
| Champs: |  Peter Luczak |
The 2009 Poznań Porsche Open was a professional tennis tournament played on clay courts. It was the sixth edition of the tournament which was part of the 2009 ATP Challenger Tour and Tretorn SERIE+. It took place at the Park Tenisowy Olimpia in Poznań, Poland from 18 to 26 July 2009, including the qualifying competition in the first two days.
| Country | Player | Rank[1] | Seed | |
|---|---|---|---|---|
| Paul Capdeville | 77 | 1 | ||
| Nicolás Massú | 93 | 2 | ||
 Spain | Rubén Ramírez Hidalgo | 106 | 3 | |
 Argentina | Sergio Roitman | 115 | 4 | |
| Rui Machado | 117 | 5 | ||
| Denis Gremelmayr | 136 | 6 | ||
| Australia | Peter Luczak | 145 | 7 | |
 France | Laurent Recouderc | 146 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
The following player received entry as a lucky losers:
| Country | Player | Country | Player | Rank | Seed | |
|---|---|---|---|---|---|---|
| Michael Kohlmann | Rogier Wassen | 110 | 1 | |||
| Spain | David Marrero | Spain | Rubén Ramírez Hidalgo | 172 | 2 | |
| Philipp Marx |  Italy | Alessandro Motti | 196 | 3 | ||
 United Kingdom | Jamie Delgado | United Kingdom | Jamie Murray | 227 | 4 |
The following pairs received wildcards into the doubles main draw:
Tomasz Bednarek / Michał Przysiężny Marcin Gawron / Andriej Kapaś Kacper Owsian / Jakub PiterSee main article: 2009 Poznań Porsche Open – Singles. Peter Luczak def. 
Yuri Schukin, 3–6, 7–6(4), 7–6(6)
See main article: 2009 Poznań Porsche Open – Doubles. Sergio Roitman / Alexandre Sidorenko def. Michael Kohlmann / Rogier Wassen, 6–4, 6–4
