# 2009 Copa Petrobras Asunción – Singles

Martín Vassallo Argüello chose to not defend his 2008 title. Ramón Delgado won the tournament in his own country, after defeating Daniel Gimeno-Traver 7–6(2), 1–6, 6–3 in the final.

## Seeds

* Máximo González (second round)
* Nicolás Massú (first round)
* Paul Capdeville (first round)
* Santiago Ventura (quarterfinals)
* Daniel Gimeno-Traver (final)
* Rubén Ramírez Hidalgo (first round, retired due to right wrist injury)
* Laurent Recouderc (first round, retired due to right thigh injury)
* Blaž Kavčič (semifinals)

## 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 | Final |
| 8 | Blaž Kavčič | 6$^5$ | 6 | 1 | | | | | |
| WC | Ramón Delgado | 7 | 4 | 6 | | | | | |
| WC | Ramón Delgado | 7 | 4 | 6 | WC | Ramón Delgado | 7 | 1 | 6 |
| | | | | | 5 | Daniel Gimeno-Traver | 6$^2$ | 6 | 3 |
| | Diego Junqueira | 3 | 4 | | 5 | Daniel Gimeno-Traver | 6$^2$ | 6 | 3 |
| 5 | Daniel Gimeno-Traver | 6 | 6 | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M González | 6 | 6 | | | | | | | | | | | | | | | | |
| ALT | J Dasnières de Veigy | 4 | 1 | | 1 | M González | 4 | 3 | | | | | | | | | | | |
| ALT | J-M Aranguren | 6$^5$ | 6 | 6 | ALT | J-M Aranguren | 6 | 6 | | | | | | | | | | | |
| ALT | F del Bonis | 7 | 4 | 4 | | | | | | ALT | J-M Aranguren | 6 | 2 | 0 | | | | | |
| | J Silva | 4 | 6 | 3 | | | | | | 8 | B Kavčič | 3 | 6 | 6 | | | | | |
| | M Zabaleta | 6 | 4 | 6 | | M Zabaleta | 6 | 3 | 0 | | | | | | | | | | |
| Q | M Demoliner | 1 | 4 | | 8 | B Kavčič | 4 | 6 | 6 | | | | | | | | | | |
| 8 | B Kavčič | 6 | 6 | | | | | | | | | | | | 8 | B Kavčič | 6$^5$ | 6 | 1 |
| 4 | S Ventura | 2 | 6 | 6 | | | | | | | | | | | WC | R Delgado | 7 | 4 | 6 |
| | F Ferreiro | 6 | 4 | 2 | 4 | S Ventura | 6$^5$ | 7 | 6 | | | | | | | | | | |
| | R Hocevar | 1 | 4 | | | P Polansky | 7 | 6$^8$ | 2 | | | | | | | | | | |
| | P Polansky | 6 | 6 | | | | | | | 4 | S Ventura | 3 | 2 | | | | | | |
| | A Bogomolov Jr. | 2 | 6 | 6 | | | | | | WC | R Delgado | 6 | 6 | | | | | | |
| | J Souza | 6 | 4 | 3 | | A Bogomolov Jr. | 4 | 4 | | | | | | | | | | | |
| WC | R Delgado | 7 | 4 | | WC | R Delgado | 6 | 6 | | | | | | | | | | | |
| 6 | R Ramírez Hidalgo | 6$^5$ | 0 | r | | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 7 | L Recouderc | 3 | 0 | r | | | | | | | | | | | | | | |
| | D Junqueira | 6 | 4 | | | D Junqueira | 5 | 7 | 7 | | | | | | | | | |
| WC | D Galeano | 2 | 1 | | Q | C Poch-Gradin | 7 | 6$^6$ | 6$^4$ | | | | | | | | | |
| Q | C Poch-Gradin | 6 | 6 | | | | | | | | D Junqueira | 6 | 3 | 6 | | | | |
| Q | Guido Pella | 4 | 6 | 4 | | | | | | Q | F Bagnis | 3 | 6 | 1 | | | | |
| Q | Facundo Bagnis | 6 | 3 | 6 | Q | F Bagnis | 6 | 7 | | | | | | | | | | |
| | D Muñoz-De La Nava | 6 | 6 | | | D Muñoz-De La Nava | 1 | 6$^2$ | | | | | | | | | | |
| 3 | P Capdeville | 3 | 4 | | | | | | | | | | | | | D Junqueira | 3 | 4 |
| 5 | D Gimeno-Traver | 6 | 3 | 6 | | | | | | | | | | | 5 | D Gimeno-Traver | 6 | 6 |
| | E Schwank | 4 | 6 | 3 | 5 | D Gimeno-Traver | 7 | 6 | | | | | | | | | | |
| | D Marrero | 3 | 6 | 2 | | S Decoud | 6$^5$ | 2 | | | | | | | | | | |
| | S Decoud | 6 | 3 | 6 | | | | | | 5 | D Gimeno-Traver | 6 | 6 | | | | | |
| WC | N Salama | 2 | 2 | | | | | | | SE | G Gaudio | 3 | 1 | | | | | |
| WC | M Puerta | 6 | 6 | | WC | M Puerta | 4 | 4 | | | | | | | | | | |
| SE | G Gaudio | 6 | 7 | | SE | G Gaudio | 6 | 6 | | | | | | | | | | |
| 2 | N Massú | 1 | 5 | | | | | | | | | | | | | | | |