| Men's Singles | |
|---|---|
| 2004 Estoril Open | |
| Champion |
|
| Runner-up |
|
| Final score | 6–7(2–7), 6–3, 6–3 |
Nikolay Davydenko was the defending champion but lost in the first round to Radek Štěpánek.
Juan Ignacio Chela won in the final 6–7(2–7), 6–3, 6–3 against Marat Safin.