2004 Idea Prokom Open – Men's singles
| Men's singles | |
|---|---|
| 2004 Idea Prokom Open | |
| Champion | Rafael Nadal |
| Runner-up | José Acasuso |
| Score | 6–3, 6–4 |
Rafael Nadal defeated José Acasuso in the final, 6–3, 6–4 to win the Singles title at the 2004 Idea Prokom Open. It was his first career title.
Guillermo Coria was the reigning champion, but did not participate.