# 2012 Jalisco Open – Singles

Paul Capdeville was the defending champion. Thiago Alves won the title by defeating Paolo Lorenzi 6–3, 7–6$^{(7–4)}$ in the final.

## Seeds

* Édouard Roger-Vasselin (second round)
* Matthias Bachinger (first round)
* Paolo Lorenzi (final)
* Vasek Pospisil (second round)
* Rik de Voest (first round)
* Ricardo Mello (first round)
* Jürgen Zopp (first round)
* Izak van der Merwe (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

### Finals

| Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| | Thiago Alves | 7 | 6 | | | | |
| | Ruben Bemelmans | 5 | 3 | | | | |
| | Ruben Bemelmans | 5 | 3 | | Thiago Alves | 6 | 7$^7$ |
| | | | | 3 | Paolo Lorenzi | 3 | 6$^4$ |
| 3 | Paolo Lorenzi | 6 | 6 | 3 | Paolo Lorenzi | 3 | 6$^4$ |
| Q | Roman Borvanov | 2 | 4 | | | | |

### 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 | Semifinals | Semifinals | Semifinals |
| 1 | É Roger-Vasselin | 6$^3$ | 7 | 6 | | | | | | | | | | | |
| Q | R Farah | 7$^7$ | 5 | 0 | 1 | É Roger-Vasselin | 4 | 3 | | | | | | | |
| | V Estrella | 6$^6$ | 4 | | | D Meffert | 6 | 6 | | | | | | | |
| | D Meffert | 7$^8$ | 6 | | | | | | | D Meffert | 5 | 4 | | | |
| | T Alves | 6 | 6 | | | | | | | T Alves | 7 | 6 | | | |
| | I Navarro | 3 | 4 | | | T Alves | 6 | 6 | | | | | | | |
| | A Veić | 6 | 6 | | | A Veić | 4 | 3 | | | | | | | |
| 6 | R Mello | 4 | 2 | | | | | | | | | | T Alves | 7 | 6 |
| 4 | V Pospisil | 4 | 7 | 7 | | | | | | | | | R Bemelmans | 5 | 3 |
| WC | D Garza | 6 | 5 | 5 | 4 | V Pospisil | 4 | 6 | 4 | | | | | | |
| | S Bohli | 6 | 3 | 1 | | R Bemelmans | 6 | 2 | 6 | | | | | | |
| | R Bemelmans | 4 | 6 | 6 | | | | | | R Bemelmans | 7$^7$ | 6 | | | |
| WC | R Ginepri | 2 | 5 | | | | | | | M Chiudinelli | 6$^5$ | 0 | | | |
| | D Gremelmayr | 6 | 7 | | | D Gremelmayr | 1 | 6 | 1 | | | | | | |
| | M Chiudinelli | 7$^7$ | 6 | | | M Chiudinelli | 6 | 4 | 6 | | | | | | |
| 7 | J Zopp | 6$^4$ | 3 | | | | | | | | | | | | |

### Bottom half

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 5 | R de Voest | 6 | 1 | 1 | | | | | | | | | | | | | |
| | G Rufin | 4 | 6 | 6 | | G Rufin | 5 | 3 | | | | | | | | | |
| Q | É Chvojka | 6 | 6 | | Q | É Chvojka | 7 | 6 | | | | | | | | | |
| | M Rodrigues | 3 | 2 | | | | | | Q | É Chvojka | 7$^7$ | 4 | 3 | | | | |
| | P Gojowczyk | 2 | 6 | 6 | | | | | 3 | P Lorenzi | 6$^3$ | 6 | 6 | | | | |
| | J Silva | 6 | 2 | 4 | | P Gojowczyk | 4 | 2 | | | | | | | | | |
| | A Brugués-Davi | 2 | 2 | | 3 | P Lorenzi | 6 | 6 | | | | | | | | | |
| 3 | P Lorenzi | 6 | 6 | | | | | | | | | | | 3 | P Lorenzi | 6 | 6 |
| 8 | I van der Merwe | 5 | 4 | | | | | | | | | | | Q | R Borvanov | 2 | 4 |
| | P Capdeville | 7 | 6 | | | P Capdeville | 1 | 1 | | | | | | | | | |
| | R Ram | 6 | 6 | | | R Ram | 6 | 6 | | | | | | | | | |
| WC | B Rodríguez | 3 | 2 | | | | | | | R Ram | 3 | 6 | 4 | | | | |
| Q | MA Reyes-Varela | 6 | 5 | 6 | | | | | Q | R Borvanov | 6 | 4 | 6 | | | | |
| WC | C Ramírez | 2 | 7 | 4 | Q | MA Reyes-Varela | 3 | 1 | | | | | | | | | |
| Q | R Borvanov | 6 | 6 | | Q | R Borvanov | 6 | 6 | | | | | | | | | |
| 2 | M Bachinger | 4 | 4 | | | | | | | | | | | | | | |