# 2009 Copa Petrobras Montevideo – Singles

Peter Luczak chose not to defend his 2008 title. Pablo Cuevas became the new champion, after beating Nicolás Lapentti 7–5, 6–1 in the final.

## Seeds

* Pablo Cuevas (champion)
* Máximo González (quarterfinals)
* Paul Capdeville (first round)
* Nicolás Massú (second round)
* Juan Ignacio Chela (semifinals)
* Santiago Ventura (first round, retired due to right abductor injury)
* Rubén Ramírez Hidalgo (first round)
* Laurent Recouderc (first round)

## Draw
### Key

* Q = Qualifier
* WC = Wild card
* LL = Lucky loser
* Alt = Alternate
* SE = Special exempt
* PR = Protected ranking
* ITF = ITF entry
* JE = Junior exempt
* w/o = Walkover
* r = Retired
* d = Defaulted
* SR = Special ranking

### Final four

| Semifinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Pablo Cuevas | 6 | 6 | | | | | |
| SE | Gastón Gaudio | 2 | 4 | | | | | |
| SE | Gastón Gaudio | 2 | 4 | | 1 | Pablo Cuevas | 7 | 6 |
| | | | | | | Nicolás Lapentti | 5 | 1 |
| | Nicolás Lapentti | 6 | 6$^5$ | 7 | | Nicolás Lapentti | 5 | 1 |
| 5 | Juan Ignacio Chela | 2 | 7 | 6$^2$ | | | | |

### Top half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | P Cuevas | 6 | 6 | | | | | | | | | | | | | | |
| | P Polansky | 1 | 3 | | 1 | P Cuevas | 4 | | | | | | | | | | |
| | D Muñoz de la Nava | 2 | 3 | | | P Santos | 4 | r | | | | | | | | | |
| | P Santos | 6 | 6 | | | | | | | 1 | P Cuevas | 6 | 7 | | | | |
| | S Roitman | 0 | 3 | | | | | | | Q | L Tavares | 4 | 5 | | | | |
| Q | L Tavares | 6 | 6 | | Q | L Tavares | 6 | 6 | | | | | | | | | |
| WC | R Delgado | 6 | | | WC | R Delgado | 2 | 4 | | | | | | | | | |
| 6 | S Ventura | 3 | r | | | | | | | | | | | 1 | P Cuevas | 6 | 6 |
| 4 | N Massú | 4 | 6 | 7 | | | | | | | | | | SE | G Gaudio | 2 | 4 |
| | J Souza | 6 | 3 | 6$^5$ | 4 | N Massú | 6 | 3 | 4 | | | | | | | | |
| SE | G Gaudio | 6 | 6 | | SE | G Gaudio | 2 | 6 | 6 | | | | | | | | |
| | B Dabul | 3 | 4 | | | | | | | SE | G Gaudio | 6 | 6 | | | | |
| | R Hocevar | 2 | 6$^5$ | | | | | | | WC | L Horna | 3 | 4 | | | | |
| Q | J-M Aranguren | 6 | 7 | | Q | J-M Aranguren | 6$^5$ | 4 | | | | | | | | | |
| WC | L Horna | 7 | 3 | 6 | WC | L Horna | 7 | 6 | | | | | | | | | |
| 7 | R Ramírez Hidalgo | 5 | 6 | 4 | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | L Recouderc | 3 | 4 | | | | | | | | | | | | | | | |
| | M Zabaleta | 6 | 6 | | | M Zabaleta | 1 | 3 | | | | | | | | | | |
| | JP Brzezicki | 6 | 7 | | | JP Brzezicki | 6 | 6 | | | | | | | | | | |
| Q | M Alund | 1 | 6$^6$ | | | | | | | | JP Brzezicki | 2 | 4 | | | | | |
| | N Lapentti | 6 | 6 | | | | | | | | N Lapentti | 6 | 6 | | | | | |
| | D Junqueira | 1 | 4 | | | N Lapentti | 6 | 6 | | | | | | | | | | |
| | E Schwank | 6 | 6 | | | E Schwank | 2 | 4 | | | | | | | | | | |
| 3 | P Capdeville | 3 | 4 | | | | | | | | | | | | N Lapentti | 6 | 6$^5$ | 7 |
| 5 | JI Chela | 6 | 6 | | | | | | | | | | | 5 | JI Chela | 2 | 7 | 6$^2$ |
| ALT | D Marrero | 2 | 0 | | 5 | JI Chela | 6 | 7 | | | | | | | | | | |
| WC | M Puerta | 6 | 7 | | WC | M Puerta | 1 | 6$^9$ | | | | | | | | | | |
| | B Kavčič | 4 | 6$^3$ | | | | | | | 5 | JI Chela | 6 | 6 | | | | | |
| Q | Leandro Migani | 7 | 4 | 7 | | | | | | 2 | M González | 1 | 0 | | | | | |
| | A Bogomolov Jr. | 6$^6$ | 6 | 5 | Q | L Migani | 2 | 6 | 5 | | | | | | | | | |
| WC | M Cuevas | 3 | 3 | | 2 | M González | 6 | 2 | 7 | | | | | | | | | |
| 2 | M González | 6 | 6 | | | | | | | | | | | | | | | |