2004 Grand Prix Hassan II – Singles
| Singles | |
|---|---|
| 2004 Grand Prix Hassan II | |
| Champion | Santiago Ventura |
| Runner-up | Dominik Hrbatý |
| Score | 6–3, 1–6, 6–4 |
Julien Boutter was the defending champion, but lost in the second round this year.
Santiago Ventura won the title, defeating Dominik Hrbatý 6–3, 1–6, 6–4 in the final. Notably, this was Ventura's first ATP Tour-level appearance.