# 2004 Ordina Open – Men's singles

Sjeng Schalken was the defending champion, but lost in the first round this year.
Michaël Llodra won the title, beating Guillermo Coria 6–3, 6–4 in the final.

## Seeds

* Guillermo Coria (final)
* Rainer Schüttler (first round)
* Sjeng Schalken (first round)
* Tommy Robredo (semifinals)
* Dominik Hrbatý (first round)
* Mikhail Youzhny (second round, retired because of a virus infection)
* Arnaud Clément (quarterfinals)
* Fernando Verdasco (quarterfinals)

## 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 | Guillermo Coria | 7$^7$ | 1 | 6 | | | | |
| | Mario Ančić | 6$^4$ | 6 | 3 | | | | |
| | Mario Ančić | 6$^4$ | 6 | 3 | WC/1 | Guillermo Coria | 3 | 4 |
| | | | | | WC | Michaël Llodra | 6 | 6 |
| 4 | Tommy Robredo | 3 | 2 | | WC | Michaël Llodra | 6 | 6 |
| WC | Michaël Llodra | 6 | 6 | | | | | |

### Top 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 |
| WC/1 | G Coria | 6 | 6 | | | | | | | | | | | | | | |
| | K Beck | 3 | 3 | | WC/1 | G Coria | 6 | 6 | | | | | | | | | |
| Q | G Bastl | 6$^7$ | 4 | | Q | M Kohlmann | 4 | 2 | | | | | | | | | |
| Q | M Kohlmann | 7$^9$ | 6 | | | | | | WC/1 | G Coria | 6 | 7 | | | | | |
| | D van Scheppingen | 6 | 6 | | | | | | 7 | A Clément | 2 | 5 | | | | | |
| | J Acasuso | 3 | 2 | | | D van Scheppingen | 5 | 0$^r$ | | | | | | | | | |
| | I Karlović | 6$^8$ | 7$^7$ | 3 | 7 | A Clément | 7 | 1 | | | | | | | | | |
| 7 | A Clément | 7$^{10}$ | 6$^5$ | 6 | | | | | | | | | WC/1 | G Coria | 7$^7$ | 1 | 6 |
| 3 | S Schalken | 6 | 3 | 2 | | | | | | | | | | M Ančić | 6$^4$ | 6 | 3 |
| | M Ančić | 4 | 6 | 6 | | M Ančić | 6 | 6 | | | | | | | | | |
| WC | P Wessels | 1 | 3 | | | I Andreev | 3 | 1 | | | | | | | | | |
| | I Andreev | 6 | 6 | | | | | | | M Ančić | 6 | 6 | | | | | |
| | K Vliegen | 6$^2$ | 4 | | | | | | | M Verkerk | 3 | 3 | | | | | |
| | M Verkerk | 7$^7$ | 6 | | | M Verkerk | 6 | 2 | | | | | | | | | |
| | A Dupuis | 4 | 0 | | 6 | M Youzhny | 2 | 0$^r$ | | | | | | | | | |
| 6 | M Youzhny | 6 | 6 | | | | | | | | | | | | | | |

### 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 | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals |
| 8 | F Verdasco | 3 | 7$^9$ | 6 | | | | | | | | | | | | | | |
| Q | J-C Scherrer | 6 | 6$^7$ | 4 | 8 | F Verdasco | 5 | | | | | | | | | | | |
| | T Ascione | 2 | 0 | | | J van Lottum | 4$^r$ | | | | | | | | | | | |
| | J van Lottum | 6 | 6 | | | | | | | 8 | F Verdasco | 6$^5$ | 2 | | | | | |
| | G Cañas | 6 | 6 | | | | | | | 4 | T Robredo | 7$^7$ | 6 | | | | | |
| | N Davydenko | 4 | 4 | | | G Cañas | 5 | 6 | 5 | | | | | | | | | |
| | L Burgsmüller | 6 | 4 | 4 | 4 | T Robredo | 7 | 1 | 7 | | | | | | | | | |
| 4 | T Robredo | 3 | 6 | 6 | | | | | | | | | | | 4 | T Robredo | 3 | 2 |
| 5 | D Hrbatý | 4 | 4 | | | | | | | | | | | | WC | M Llodra | 6 | 6 |
| | J Vacek | 6 | 6 | | | J Vacek | 3 | 4 | | | | | | | | | | |
| WC | M Llodra | 6 | 6 | | WC | M Llodra | 6 | 6 | | | | | | | | | | |
| | Y-h Lu | 3 | 1 | | | | | | | WC | M Llodra | 6$^2$ | 7$^7$ | 6 | | | | |
| | A Popp | 1 | 7 | 4 | | | | | | | R Sluiter | 7$^7$ | 6$^5$ | 3 | | | | |
| Q | P Petzschner | 6 | 5 | 6 | Q | P Petzschner | 3 | 0 | | | | | | | | | | |
| | R Sluiter | 3 | 7$^7$ | 6 | | R Sluiter | 6 | 6 | | | | | | | | | | |
| 2 | R Schüttler | 6 | 6$^2$ | 3 | | | | | | | | | | | | | | |