| 2009 Copa Petrobras Montevideo | |
|---|---|
| Date | 5–11 October |
| Edition | 5th |
| Location | Montevideo, Uruguay |
| Champions | |
| Singles | |
 Pablo Cuevas | |
| Doubles | |
 David Marrero /  Juan Pablo Brzezicki | |
The 2009 Copa Petrobras Montevideo was a professional tennis tournament played on outdoor red clay courts. It was the fifth edition of the tournament which was part of the 2009 ATP Challenger Tour. It took place in Montevideo, Uruguay between 5 and 11 October 2009.
| Country | Player | Rank1 | Seed |
|---|---|---|---|
| URU | Pablo Cuevas | 56 | 1 |
| ARG | Máximo González | 70 | 2 |
 CHI | Paul Capdeville | 78 | 3 |
| CHI | Nicolás Massú | 91 | 4 |
| ARG | Juan Ignacio Chela | 110 | 5 |
| ESP | Santiago Ventura | 113 | 6 |
| ESP | Rubén Ramírez Hidalgo | 125 | 7 |
 FRA | Laurent Recouderc | 130 | 8 |
The following players received wildcards into the singles main draw:
The following players received entry from the qualifying draw:
Martín Alund Juan-Martín Aranguren Leandro Migani
Leonardo Tavares The following players received entry from Special Exempt draw:
The following players received entry from Alternate draw:
Pablo Cuevas def. 
Nicolás Lapentti, 7–5, 6–1
Juan Pablo Brzezicki / David Marrero def. Martín Cuevas / Pablo Cuevas, 6–4, 6–4
