# 2009 Credicard Citi MasterCard Tennis Cup – Singles

Brian Dabul was the defending champion, but he chose to not participate this year. Horacio Zeballos defeated Thiago Alves 6–7(4), 6–4, 6–3 in the final.

## Seeds

* Thiago Alves (final)
* Horacio Zeballos (champion)
* Juan Ignacio Chela (semifinals)
* Santiago González (second round)
* Ricardo Hocevar (second round)
* Eduardo Schwank (first round)
* Joshua Goodall (second round)
* João Souza (second 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 | Final |
| 1 | Thiago Alves | 6 | 6 | | | | | | |
| | Marcelo Demoliner | 3 | 4 | | | | | | |
| | Marcelo Demoliner | 3 | 4 | | 1 | Thiago Alves | 7 | 4 | 3 |
| | | | | | 2 | Horacio Zeballos | 6$^4$ | 6 | 6 |
| 3/WC | Juan Ignacio Chela | 4 | 6 | 2 | 2 | Horacio Zeballos | 6$^4$ | 6 | 6 |
| 2 | Horacio Zeballos | 6 | 3 | 6 | | | | | |

### Top half

| 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 |
| 1 | T Alves | 6 | 7 | | | | | | | | | | | | | | |
| Q | A Miele | 3 | 5 | 1 | T Alves | 5 | 7 | 6 | | | | | | | | | |
| SE | G Alcaide | 3 | 2 | | J Silva | 7 | 6$^4$ | 2 | | | | | | | | | |
| | J Silva | 6 | 6 | | | | | | 1 | T Alves | 3 | 6 | 6 | | | | |
| Q | R Klaasen | 6 | 6 | | | | | | Q | R Klaasen | 6 | 2 | 1 | | | | |
| Q | A Bonatto | 1 | 2 | Q | R Klaasen | 5 | 7 | 6 | | | | | | | | | |
| | I van der Merwe | 4 | 4 | 8 | J Souza | 7 | 6$^2$ | 2 | | | | | | | | | |
| 8 | J Souza | 6 | 6 | | | | | | | | | | | 1 | T Alves | 6 | 6 |
| 4 | S González | 6 | 6 | | | | | | | | | | | | M Demoliner | 3 | 4 |
| WC | J Pereira | 4 | 4 | 4 | S González | 3 | 1 | | | | | | | | | | |
| | J-P Amado | 0 | 3 | | R Mello | 6 | 6 | | | | | | | | | | |
| | R Mello | 6 | 6 | | | | | | | R Mello | 4 | 3 | | | | | |
| | M Demoliner | 7 | 6 | | | | | | | M Demoliner | 6 | 6 | | | | | |
| | V Estrella | 6$^3$ | 2 | | M Demoliner | 7 | 7 | | | | | | | | | | |
| | L Kirche | 6$^2$ | 3 | 5 | R Hocevar | 6$^4$ | 6$^5$ | | | | | | | | | | |
| 5 | R Hocevar | 7 | 6 | | | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 6 | E Schwank | 2 | 2 | | | | | | | | | | | | | | |
| | C Zampieri | 6 | 6 | | | C Zampieri | 7 | 6 | | | | | | | | | |
| | R Dutra da Silva | 6 | 6 | | | R Dutra da Silva | 6$^4$ | 3 | | | | | | | | | |
| Q | G Pella | 2 | 3 | | | | | | | C Zampieri | 2 | 2 | | | | | |
| | J Ward | 6 | 3 | 6 | | | | | 3/WC | JI Chela | 6 | 6 | | | | | |
| | B Echagaray | 3 | 6 | 3 | | J Ward | 2 | 3 | | | | | | | | | |
| | S Groth | 6 | 4 | 6$^2$ | 3/WC | JI Chela | 6 | 6 | | | | | | | | | |
| 3/WC | JI Chela | 2 | 6 | 7 | | | | | | | | | 3/WC | JI Chela | 4 | 6 | 2 |
| 7 | J Goodall | 6 | 6 | | | | | | | | | | 2 | H Zeballos | 6 | 3 | 6 |
| WC | R Siggia | 2 | 3 | | 7 | J Goodall | 6$^4$ | 2 | | | | | | | | | |
| | D Guez | 6 | 6 | | | D Guez | 7 | 6 | | | | | | | | | |
| WC | R Rondino | 1 | 3 | | | | | | | D Guez | 3 | d | | | | | |
| | M Felder | 7 | 6 | | | | | | 2 | H Zeballos | 4 | | | | | | |
| | D Silva | 6$^4$ | 3 | | | M Felder | 2 | 4 | | | | | | | | | |
| | K Pless | 6 | r | | 2 | H Zeballos | 6 | 6 | | | | | | | | | |
| 2 | H Zeballos | 6 | | | | | | | | | | | | | | | |