# 2008 La Serena Open – Singles

Mariano Zabaleta was the defending champion, but did not compete this year.
Rubén Ramírez Hidalgo won the title by defeating qualifier David Marrero 6–3, 6–1 in the final.

## Seeds

* Nicolás Lapentti (quarterfinals)
* Rubén Ramírez Hidalgo (champion)
* Juan Pablo Guzmán (first round)
* Brian Dabul (second round)
* Eduardo Schwank (semifinals)
* Thomaz Bellucci (first round)
* Adrián García (second round)
* Daniel Muñoz de la Nava (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 | Semifinals | Final | Final | Final | Final |
| Q | David Marrero | 5 | 7 | 6 | | | | |
| | Vasilis Mazarakis | 7 | 5 | 4 | | | | |
| | Vasilis Mazarakis | 7 | 5 | 4 | Q | David Marrero | 3 | 1 |
| | | | | | 2 | Rubén Ramírez Hidalgo | 6 | 6 |
| 5 | Eduardo Schwank | 6 | 4 | 3 | 2 | Rubén Ramírez Hidalgo | 6 | 6 |
| 2 | Rubén Ramírez Hidalgo | 2 | 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/WC | N Lapentti | 6 | 6 | | | | | | | | | | | | | | | | |
| | JP Villar | 1 | 4 | | 1/WC | N Lapentti | 6 | 6 | | | | | | | | | | | |
| | M Jorquera | 1 | 3 | | WC | H Podlipnik-Castillo | 3 | 1 | | | | | | | | | | | |
| WC | H Podlipnik-Castillo | 6 | 6 | | | | | | | 1/WC | N Lapentti | 6 | 4 | 3 | | | | | |
| | S Decoud | 6$^4$ | 6 | 4 | | | | | | Q | D Marrero | 1 | 6 | 6 | | | | | |
| Q | D Marrero | 7$^7$ | 4 | 6 | Q | D Marrero | 6 | 6$^3$ | 6 | | | | | | | | | | |
| | R Eitzinger | 6 | 4 | 2 | 7 | A García | 3 | 7$^7$ | 2 | | | | | | | | | | |
| 7 | A García | 4 | 6 | 6 | | | | | | | | | | | Q | D Marrero | 5 | 7 | 6 |
| 4 | B Dabul | 6 | 1 | | | | | | | | | | | | | V Mazarakis | 7 | 5 | 4 |
| | G Marcaccio | 2 | 0$^r$ | | 4 | B Dabul | 0 | 3 | | | | | | | | | | | |
| Q | A Fabbri | 4 | 6$^7$ | | | V Mazarakis | 6 | 6 | | | | | | | | | | | |
| | V Mazarakis | 6 | 7$^9$ | | | | | | | | V Mazarakis | 6 | 6 | | | | | | |
| | JA Sánchez de Luna | 7 | 6 | | | | | | | | JA Sánchez de Luna | 4 | 4 | | | | | | |
| | C Zampieri | 5 | 4 | | | JA Sánchez de Luna | 4 | 7 | 6 | | | | | | | | | | |
| | A Haider-Maurer | 6 | 3 | 7$^7$ | | A Haider-Maurer | 6 | 5 | 3 | | | | | | | | | | |
| 6 | T Bellucci | 3 | 6 | 6$^5$ | | | | | | | | | | | | | | | |

### 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 |
| 5 | E Schwank | 6 | 6 | | | | | | | | | | | | | | | |
| | M Puerta | 1 | 4 | | 5 | E Schwank | 6 | 6 | | | | | | | | | | |
| | F Ferreiro | 4 | | | | F Ferreiro | 3 | 3 | | | | | | | | | | |
| | C Villagrán | 1$^r$ | | | | | | | | 5 | E Schwank | 6 | 6 | | | | | |
| | G Trujillo Soler | 6 | 7 | | | | | | | | G Trujillo Soler | 1 | 1 | | | | | |
| LL | A Kon | 1 | 5 | | | G Trujillo Soler | 6 | 6$^5$ | 6 | | | | | | | | | |
| WC | G Hormazábal | 2 | 7$^7$ | 7 | WC | G Hormazábal | 4 | 7$^7$ | 3 | | | | | | | | | |
| 3 | JP Guzmán | 6 | 6$^2$ | 5 | | | | | | | | | | 5 | E Schwank | 6 | 4 | 3 |
| 8 | D Muñoz de la Nava | 6 | 5 | 6$^2$ | | | | | | | | | | 2 | R Ramírez Hidalgo | 2 | 6 | 6 |
| Q | M Alund | 3 | 7 | 7$^7$ | Q | M Alund | 7$^8$ | 4 | 4 | | | | | | | | | |
| | JM Aranguren | 3 | 6 | 7 | | JM Aranguren | 6$^6$ | 6 | 6 | | | | | | | | | |
| | D Junqueira | 6 | 2 | 5 | | | | | | | JM Aranguren | 4 | 1 | | | | | |
| | H Zeballos | 4 | 7 | 4 | | | | | | 2 | R Ramírez Hidalgo | 6 | 6 | | | | | |
| | G Alcaide | 6 | 5 | 6 | | G Alcaide | 1 | 6 | 6$^2$ | | | | | | | | | |
| Q | M Marrai | 2 | 3 | | 2 | R Ramírez Hidalgo | 6 | 2 | 7$^7$ | | | | | | | | | |
| 2 | R Ramírez Hidalgo | 6 | 6 | | | | | | | | | | | | | | | |