2003 Mutua Madrileña Masters Madrid – Singles
| Singles | |
|---|---|
| 2003 Mutua Madrileña Masters Madrid | |
| Champion | Juan Carlos Ferrero | 
| Runner-up | Nicolas Massú | 
| Score | 6–3, 6–4, 6–3 | 
Juan Carlos Ferrero defeated Nicolás Massú in the final, 6–3, 6–4, 6–3 to win the singles tennis title at the 2003 Madrid Open.
Andre Agassi was the reigning champion, but did not compete that year.