2004 Mutua Madrileña Masters Madrid – Singles
| Singles | |
|---|---|
| 2004 Mutua Madrileña Masters Madrid | |
| Champion | Marat Safin |
| Runner-up | David Nalbandian |
| Score | 6–2, 6–4, 6–3 |
| Draw | 48 (3WC/6Q/1SE) |
| Seeds | 16 |
Marat Safin defeated David Nalbandian in the final, 6–2, 6–4, 6–3 to win the singles tennis title at the 2004 Madrid Open.
Juan Carlos Ferrero was the defending champion, but lost to Luis Horna in the second round.