# 2004 Open 13 – Singles

Roger Federer was the defending champion but did not compete that year.
Dominik Hrbatý won in the final 4–6, 6–4, 6–4 against Robin Söderling.

## Seeds

* Juan Carlos Ferrero (first round)
* Guillermo Coria (second round)
* Paradorn Srichaphan (first round)
* Max Mirnyi (quarterfinals)
* Fernando González (quarterfinals)
* Albert Costa (second round)
* Arnaud Clément (semifinals)
* Marat Safin (second 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 |
| | Robin Söderling | 6 | 6 | | | | |
| 7 | Arnaud Clément | 3 | 3 | | | | |
| 7 | Arnaud Clément | 3 | 3 | Robin Söderling | 6 | 4 | 4 |
| | | | | Dominik Hrbatý | 4 | 6 | 6 |
| | Dominik Hrbatý | 7$^{11}$ | 6 | Dominik Hrbatý | 4 | 6 | 6 |
| | Jonas Björkman | 6$^9$ | 3 | | | | |

### 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 |
| 1 | J C Ferrero | 6$^2$ | 7$^7$ | 3 | | | | | | | | | | | | |
| | G Carraz | 7$^7$ | 6$^3$ | 6 | | G Carraz | 3 | 4 | | | | | | | | |
| SE | T Enqvist | 6$^4$ | 6$^1$ | | | R Söderling | 6 | 6 | | | | | | | | |
| | R Söderling | 7$^7$ | 7$^7$ | | | | | | | R Söderling | 7$^7$ | 6 | | | | |
| | J Nieminen | 4 | 6 | 7$^7$ | | | | | 5 | F González | 6$^5$ | 3 | | | | |
| | N Escudé | 6 | 4 | 6$^2$ | | J Nieminen | 2 | 3 | | | | | | | | |
| | K Kučera | 6 | 6$^5$ | r | 5 | F González | 6 | 6 | | | | | | | | |
| 5 | F González | 4 | 7$^7$ | | | | | | | | | | | R Söderling | 6 | 6 |
| 3 | P Srichaphan | 6 | 3 | 2 | | | | | | | | | 7 | A Clément | 3 | 3 |
| | A Martín | 1 | 6 | 6 | | A Martín | 6 | 6 | | | | | | | | |
| | S Sargsian | 7 | 7$^7$ | | | S Sargsian | 3 | 3 | | | | | | | | |
| | F Santoro | 5 | 6$^4$ | | | | | | | A Martín | 3 | 2 | | | | |
| | O Rochus | 3 | 7$^7$ | 6 | | | | | 7 | A Clément | 6 | 6 | | | | |
| | K Beck | 6 | 6$^5$ | 1 | | O Rochus | 6$^8$ | 6$^1$ | | | | | | | | |
| | G Ivanišević | 2 | 7$^7$ | 4 | 7 | A Clément | 7$^{10}$ | 7$^7$ | | | | | | | | |
| 7 | A Clément | 6 | 6$^4$ | 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 | Semifinals | Semifinals | Semifinals |
| 6 | A Costa | 7$^8$ | 7$^7$ | | | | | | | | | | | | | |
| | H Arazi | 6$^6$ | 6$^2$ | | 6 | A Costa | 5 | 6 | 6$^5$ | | | | | | | |
| | D Hrbatý | 6 | 7 | | | D Hrbatý | 7 | 4 | 7$^7$ | | | | | | | |
| Q | N Mahut | 3 | 5 | | | | | | | | D Hrbatý | 6 | 7$^{12}$ | | | |
| WC | C Saulnier | 6 | 6 | | | | | | | 4 | M Mirnyi | 3 | 6$^{10}$ | | | |
| Q | J Knowle | 1 | 3 | | WC | C Saulnier | 4 | 4 | | | | | | | | |
| | A Pavel | 6 | 6$^5$ | 2 | 4 | M Mirnyi | 6 | 6 | | | | | | | | |
| 4 | M Mirnyi | 4 | 7$^7$ | 6 | | | | | | | | | | D Hrbatý | 7$^{11}$ | 6 |
| WC/8 | M Safin | 6 | 6 | | | | | | | | | | | J Björkman | 6$^9$ | 3 |
| Q | F Mayer | 3 | 4 | | WC/8 | M Safin | 6$^5$ | 5 | | | | | | | | |
| | J Björkman | 7 | 6 | | | J Björkman | 7$^7$ | 7 | | | | | | | | |
| | R Sluiter | 5 | 3 | | | | | | | | J Björkman | 7 | 6 | | | |
| | D Sanguinetti | 1 | 6$^4$ | | | | | | | Q | M Rosset | 5 | 3 | | | |
| Q | M Rosset | 6 | 7$^7$ | | Q | M Rosset | 7$^7$ | 6 | | | | | | | | |
| | N Davydenko | 6$^2$ | 3 | | WC/2 | G Coria | 6$^2$ | 1 | | | | | | | | |
| WC/2 | G Coria | 7$^7$ | 6 | | | | | | | | | | | | | |