# 2009 Prime Cup Aberto de São Paulo – Singles

Thiago Alves was the defending champion, but he lost to Horacio Zeballos in the quarterfinals. Ricardo Mello defeated 6–2, 6–4 Paul Capdeville in the final.

## Seeds

* Marcos Daniel (second round, withdrew)
* Brian Dabul (first round)
* Paul Capdeville (final)
* Thiago Alves (quarterfinals)
* Leonardo Mayer (first round)
* Sergio Roitman (first round)
* Benjamin Becker (first round)
* Pablo Cuevas (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 |
| | João Souza | 7 | 4 | 2 | | | | |
| 3 | Paul Capdeville | 6$^4$ | 6 | 6 | | | | |
| 3 | Paul Capdeville | 6$^4$ | 6 | 6 | 3 | Paul Capdeville | 2 | 4 |
| | | | | | | Ricardo Mello | 6 | 6 |
| | Horacio Zeballos | 3 | 4 | | | Ricardo Mello | 6 | 6 |
| | Ricardo Mello | 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 | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 1 | M Daniel | 7 | 3 | 6 | | | | | | | | | | | | | | |
| | F Vicente | 6$^5$ | 6 | 1 | 1 | M Daniel | w/o | | | | | | | | | | | |
| | K Pless | 4 | 5 | | | J Souza | | | | | | | | | | | | |
| | J Souza | 6 | 7 | | | | | | | | J Souza | 6 | 6 | | | | | |
| | B Echagaray | 6 | 6 | | | | | | | | B Echagaray | 2 | 1 | | | | | |
| | C Berlocq | 4 | 3 | | | B Echagaray | 6 | 6 | | | | | | | | | | |
| | F Ferreiro | 6 | 1 | 7 | | F Ferreiro | 4 | 3 | | | | | | | | | | |
| 5 | L Mayer | 4 | 6 | 6$^8$ | | | | | | | | | | | J Souza | 7 | 4 | 2 |
| 3 | P Capdeville | 6 | 6$^7$ | 7 | | | | | | | | | | 3 | P Capdeville | 6$^4$ | 6 | 6 |
| WC | D Silva | 2 | 7 | 5 | 3 | P Capdeville | 2 | 6 | 6 | | | | | | | | | |
| | M Russell | 5 | 6 | 0 | | S Giraldo | 6 | 4 | 3 | | | | | | | | | |
| | S Giraldo | 7 | 2 | 6 | | | | | | 3 | P Capdeville | 6 | 6 | | | | | |
| | S Decoud | 4 | 6 | 7 | | | | | | | S Decoud | 6$^4$ | 4 | | | | | |
| WC | F Saretta | 6 | 3 | 6$^5$ | | S Decoud | 6 | 6$^7$ | 6 | | | | | | | | | |
| | JP Brzezicki | 3 | 6 | 6 | | JP Brzezicki | 3 | 7 | 4 | | | | | | | | | |
| 6 | S Roitman | 6 | 3 | 1 | | | | | | | | | | | | | | |

### 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 |
| 7 | B Becker | 6$^7$ | 3 | | | | | | | | | | | | |
| | H Zeballos | 7 | 6 | | | H Zeballos | 6 | 6 | | | | | | | |
| Q | F Niemeyer | 4 | 1 | r | Q | H Levy | 4 | 4 | | | | | | | |
| Q | H Levy | 6 | 2 | | | | | | | H Zeballos | 7 | 7 | | | |
| | R Hocevar | 7 | 7 | | | | | | 4 | T Alves | 6$^4$ | 6$^4$ | | | |
| WC | Eric Gomes | 5 | 6$^7$ | | | R Hocevar | 3 | 5 | | | | | | | |
| 4 | T Alves | 4 | 7 | 7 | 4 | T Alves | 6 | 7 | | | | | | | |
| Q | Rafael Camilo | 6 | 6$^3$ | 6$^6$ | | | | | | | | | H Zeballos | 3 | 4 |
| 8 | P Cuevas | 2 | 0 | | | | | | | | | | R Mello | 6 | 6 |
| | R Mello | 6 | 6 | | | R Mello | 6 | 6 | | | | | | | |
| | S González | 1 | 6 | 6 | | S González | 4 | 4 | | | | | | | |
| Q | I van der Merwe | 6 | 4 | 3 | | | | | | R Mello | 7 | 6 | | | |
| WC | N Santos | 2 | 6 | 7 | | | | | | R Dutra da Silva | 6$^3$ | 4 | | | |
| | I Miranda | 6 | 3 | 5 | WC | N Santos | 3 | 3 | | | | | | | |
| | R Dutra da Silva | 4 | 6 | 6 | | R Dutra da Silva | 6 | 6 | | | | | | | |
| 2 | B Dabul | 6 | 3 | 2 | | | | | | | | | | | |