2004 Generali Open – Singles
| Singles | |
|---|---|
| 2004 Generali Open | |
| Champion | Nicolás Massú | 
| Runner-up | Gastón Gaudio | 
| Score | 7–6(7–3), 6–4 | 
| Draw | 48 (4WC/6Q) | 
| Seeds | 16 | 
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.