# 2004 Generali Open – Singles

Guillermo Coria was the defending champion, but did not compete this year.
Nicolás Massú won the title by defeating Gastón Gaudio 7–6$^{(7–3)}$, 6–4 in the final.

## Seeds

All seeds received a bye to the second round.
* Rainer Schüttler (semifinals)
* Gastón Gaudio (final)
* Nicolás Massú (champion)
* Feliciano López (quarterfinals)
* Mariano Zabaleta (quarterfinals)
* Florian Mayer (quarterfinals)
* Luis Horna (quarterfinals)
* Fernando Verdasco (semifinals)
* Irakli Labadze (second round)
* David Ferrer (second round)
* Albert Costa (third round)
* Jürgen Melzer (second round)
* David Sánchez (third round, retired)
* Nikolay Davydenko (third round)
* Tomáš Berdych (third round)
* Albert Montañés (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

| Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals | Semifinals | Semifinals | Semifinals | Semifinals | Final | Final | Final | Final |
| 1 | Rainer Schüttler | 7$^8$ | 6 | | | | | | | | |
| 6 | Florian Mayer | 6$^6$ | 2 | | | | | | | | |
| 6 | Florian Mayer | 6$^6$ | 2 | 1 | Rainer Schüttler | 3 | 3 | | | | |
| | | | | 3 | Nicolás Massú | 6 | 6 | | | | |
| 3 | Nicolás Massú | 7$^7$ | 7$^8$ | 3 | Nicolás Massú | 6 | 6 | | | | |
| 5 | Mariano Zabaleta | 6$^4$ | 6$^6$ | | | | | | | | |
| 5 | Mariano Zabaleta | 6$^4$ | 6$^6$ | | | | | 3 | Nicolás Massú | 7$^7$ | 6 |
| | | | | | | | | 2 | Gastón Gaudio | 6$^3$ | 4 |
| 8 | Fernando Verdasco | 6 | 6 | | | | | | | | | 2 | Gastón Gaudio | 6$^3$ | 4 |
| 4 | Feliciano López | 2 | 3 | | | | | | | | |
| 4 | Feliciano López | 2 | 3 | 8 | Fernando Verdasco | 0 | 2 | | | | |
| | | | | 2 | Gastón Gaudio | 6 | 6 | | | | |
| 7 | Luis Horna | 6$^5$ | 6$^1$ | 2 | Gastón Gaudio | 6 | 6 | | | | |
| 2 | Gastón Gaudio | 7$^7$ | 7$^7$ | | | | | | | | |

### Top half
#### Section 1

| First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | 1 | R Schüttler | 3 | 7$^{15}$ | 6 | | | | | | | | |
| | M Tabara | 6$^4$ | 3 | WC | A Seppi | 6 | 6$^{13}$ | 0 | | | | | | | | |
| WC | A Seppi | 7$^7$ | 6 | | | | | | 1 | R Schüttler | 6 | | | | | |
| | I Heuberger | 6$^0$ | 4 | | | | | | 13 | D Sánchez | 0 | r | | | | |
| Q | F Čermák | 7$^7$ | 6 | Q | F Čermák | 4 | 7 | 4 | | | | | | | | |
| | | | | 13 | D Sánchez | 6 | 5 | 6 | | | | | | | | |
| | | | | | | | | | | | | | 1 | R Schüttler | 7$^8$ | 6 |
| | | | | | | | | | | | | | 6 | F Mayer | 6$^6$ | 2 |
| | | | | 10 | D Ferrer | 3 | 4 | | | | | | | | | |
| | J Mónaco | 7 | 6 | | J Mónaco | 6 | 6 | | | | | | | | | |
| | JP Guzmán | 5 | 4 | | | | | | | J Mónaco | 4 | 4 | | | | |
| | A Peya | 2 | 6$^4$ | | | | | | 6 | F Mayer | 6 | 6 | | | | |
| | P Luczak | 6 | 7$^7$ | | P Luczak | 2 | 4 | | | | | | | | | |
| | | | | 6 | F Mayer | 6 | 6 | | | | | | | | | |

#### Section 2

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 3 | N Massú | 6 | 6 | | | | | | | | | |
| Q | Y Schukin | 6 | 3 | 6 | Q | Y Schukin | 2 | 3 | | | | | | | | | |
| WC | J Ager | 1 | 6 | 3 | | | | | 3 | N Massú | 7$^7$ | 3 | 6 | | | | |
| | M López | 6$^1$ | 2 | | | | | | 15 | T Berdych | 6$^3$ | 6 | 4 | | | | |
| | P Starace | 7$^7$ | 6 | | | P Starace | 2 | 5 | | | | | | | | | |
| | | | | | 15 | T Berdych | 6 | 7 | | | | | | | | | |
| | | | | | | | | | | | | | | 3 | N Massú | 7$^7$ | 7$^8$ |
| | | | | | | | | | | | | | | 5 | M Zabaleta | 6$^4$ | 6$^6$ |
| | | | | | 9 | I Labadze | 2 | 6$^1$ | | | | | | | | | |
| | R Štěpánek | 6$^2$ | 7 | 7$^7$ | | R Štěpánek | 6 | 7$^7$ | | | | | | | | | |
| Q | D Gimeno Traver | 7$^7$ | 5 | 6$^3$ | | | | | | R Štěpánek | 3 | 5 | | | | | |
| | A Portas | 1 | 4 | | | | | | 5 | M Zabaleta | 6 | 7 | | | | | |
| | Ó Hernández | 6 | 6 | | | Ó Hernández | 6$^5$ | 2 | | | | | | | | | |
| | | | | | 5 | M Zabaleta | 7$^7$ | 6 | | | | | | | | | |

### Bottom half
#### Section 3

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 8 | F Verdasco | 7$^7$ | 6 | | | | | | | | | |
| Q | PH Mathieu | 4 | 2 | | Q | F Squillari | 6$^3$ | 2 | | | | | | | | | |
| Q | F Squillari | 6 | 6 | | | | | | | 8 | F Verdasco | 7$^9$ | 6 | | | | |
| | M Vassallo Argüello | 6 | 6$^3$ | 6 | | | | | | | M Vassallo Argüello | 6$^7$ | 3 | | | | |
| | N Thomann | 4 | 7$^7$ | 1 | | M Vassallo Argüello | 6 | 6 | | | | | | | | | |
| | | | | | 12 | J Melzer | 4 | 2 | | | | | | | | | |
| | | | | | | | | | | | | | | 8 | F Verdasco | 6 | 6 |
| | | | | | | | | | | | | | | 4 | F López | 2 | 3 |
| | | | | | 16 | A Montañés | 2 | 1 | | | | | | | | | |
| | S Ventura | 7$^7$ | 6 | | | S Ventura | 6 | 6 | | | | | | | | | |
| | S Pescosolido | 6$^4$ | 4 | | | | | | | | S Ventura | 3 | 0 | | | | |
| | M Rosset | 3 | 0 | | | | | | | 4 | F López | 6 | 6 | | | | |
| | S Koubek | 6 | 6 | | | S Koubek | 6 | 3 | 4 | | | | | | | | |
| | | | | | 4 | F López | 3 | 6 | 6 | | | | | | | | |

#### Section 4

| First round | First round | First round | First round | First round | Second round | Second round | Second round | Second round | Second round | Third round | Third round | Third round | Third round | Third round | Quarterfinals | Quarterfinals | Quarterfinals | Quarterfinals |
| | | | | | 7 | L Horna | 7$^7$ | 7$^7$ | | | | | | | | | | |
| | A García | 0 | 3 | | | A Falla | 6$^3$ | 6$^2$ | | | | | | | | | | |
| | A Falla | 6 | 6 | | | | | | | 7 | L Horna | 4 | 7$^7$ | 6 | | | | |
| WC | W Eschauer | 6 | 6 | | | | | | | 11 | A Costa | 6 | 6$^4$ | 4 | | | | |
| WC | T Schiessling | 3 | 2 | | WC | W Eschauer | 3 | 7$^7$ | 3 | | | | | | | | | |
| | | | | | 11 | A Costa | 6 | 6$^2$ | 6 | | | | | | | | | |
| | | | | | | | | | | | | | | | 7 | L Horna | 6$^5$ | 6$^1$ |
| | | | | | | | | | | | | | | | 2 | G Gaudio | 7$^7$ | 7$^7$ |
| | | | | | 14 | N Davydenko | 6 | 6 | | | | | | | | | | |
| | A di Mauro | 6 | 2 | 4 | | D Norman | 2 | 2 | | | | | | | | | | |
| | D Norman | 3 | 6 | 6 | | | | | | 14 | N Davydenko | 3 | 3 | | | | | |
| | G Blanco | 6$^2$ | 6$^{11}$ | | | | | | | 2 | G Gaudio | 6 | 6 | | | | | |
| Q | I Minář | 7$^7$ | 7$^{13}$ | | Q | I Minář | 4 | 1 | | | | | | | | | | |
| | | | | | 2 | G Gaudio | 6 | 6 | | | | | | | | | | |