# 2005 Movistar Open – Singles

Fernando González was the defending champion.
Gastón Gaudio won the title, defeating González 6–3, 6–4 in the final.

## Seeds

* Gastón Gaudio (champion)
* Fernando González (final)
* Filippo Volandri (semifinals)
* David Ferrer (semifinals)
* Mariano Zabaleta (quarterfinals)
* José Acasuso (quarterfinals)
* Agustín Calleri (quarterfinals)
* Potito Starace (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 |
| WC/1 | Gastón Gaudio | 6 | 4 | 6 | | | | |
| 4 | David Ferrer | 3 | 6 | 2 | | | | |
| 4 | David Ferrer | 3 | 6 | 2 | WC/1 | Gastón Gaudio | 6 | 6 |
| | | | | | 2 | Fernando González | 3 | 4 |
| 3 | Filippo Volandri | 4 | 7 | 2 | 2 | Fernando González | 3 | 4 |
| 2 | Fernando González | 6 | 5 | 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 |
| WC/1 | G Gaudio | 7$^8$ | 6 | | | | | | | | | | | | | | | | |
| | J Vaněk | 6$^6$ | 2 | | WC/1 | G Gaudio | 6 | 6 | | | | | | | | | | | |
| | A Montañés | 7 | 4 | 4 | | D Sánchez | 4 | 2 | | | | | | | | | | | |
| | D Sánchez | 5 | 6 | 6 | | | | | | WC/1 | G Gaudio | 6 | 3 | 6 | | | | | |
| WC | F Parada | 4 | 6 | 3 | | | | | | 6 | J Acasuso | 2 | 6 | 1 | | | | | |
| | F Saretta | 6 | 4 | 6 | | F Saretta | 2 | 6$^2$ | | | | | | | | | | | |
| | O Patience | 1 | 6 | 6$^6$ | 6 | J Acasuso | 6 | 7$^7$ | | | | | | | | | | | |
| 6 | J Acasuso | 6 | 3 | 7$^8$ | | | | | | | | | | | WC/1 | G Gaudio | 6 | 4 | 6 |
| 4 | D Ferrer | 6 | 6 | | | | | | | | | | | | 4 | D Ferrer | 3 | 6 | 2 |
| Q | A Portas | 4 | 4 | | 4 | D Ferrer | 6 | 6 | | | | | | | | | | | |
| | J Mónaco | 3 | 7$^8$ | 5 | | M Puerta | 2 | 0 | | | | | | | | | | | |
| | M Puerta | 6 | 6$^6$ | 7 | | | | | | 4 | D Ferrer | 6 | 6 | | | | | | |
| Q | F Luzzi | 7$^8$ | 6 | | | | | | | 7 | A Calleri | 1 | 3 | | | | | | |
| | J Tipsarević | 6$^6$ | 0 | | Q | F Luzzi | 3 | 6 | 3 | | | | | | | | | | |
| | Á Calatrava | 3 | 2 | | 7 | A Calleri | 6 | 3 | 6 | | | | | | | | | | |
| 7 | A Calleri | 6 | 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | P Starace | 1 | 2 | | | | | | | | | | | | | | | |
| | R R Hidalgo | 6 | 6 | | | R R Hidalgo | 6 | 6 | | | | | | | | | | |
| | F Mantilla | 6 | 3 | | | F Mantilla | 4 | 3 | | | | | | | | | | |
| | A García | 4 | 2$^r$ | | | | | | | R R Hidalgo | 4 | 2 | | | | | | |
| | P-H Mathieu | 6 | 7$^7$ | | | | | | 3 | F Volandri | 6 | 6 | | | | | | |
| | Ó Hernández | 2 | 6$^3$ | | | P-H Mathieu | 4 | 4 | | | | | | | | | | |
| | G García López | 1 | 3 | | 3 | F Volandri | 6 | 6 | | | | | | | | | | |
| 3 | F Volandri | 6 | 6 | | | | | | | | | | | 3 | F Volandri | 4 | 7 | 2 |
| 5 | M Zabaleta | 6 | 6 | | | | | | | | | | | 2 | F González | 6 | 5 | 6 |
| | N Lapentti | 1 | 2 | | 5 | M Zabaleta | 6 | 6 | | | | | | | | | | |
| Q | P Harboe | 3 | 6 | 2 | | S Ventura | 4 | 3 | | | | | | | | | | |
| | S Ventura | 6 | 4 | 6 | | | | | 5 | M Zabaleta | 6 | 6$^4$ | 6$^2$ | | | | | |
| WC | À Corretja | 5 | 2 | | | | | | 2 | F González | 4 | 7$^7$ | 7$^7$ | | | | | |
| | N Almagro | 7 | 6 | | | N Almagro | 6$^4$ | 5 | | | | | | | | | | |
| Q | P Luczak | 3 | 7 | 4 | 2 | F González | 7$^7$ | 7 | | | | | | | | | | |
| 2 | F González | 6 | 5 | 6 | | | | | | | | | | | | | | |