The Estoril Open takes place in Lisbon, Portugal at the Estadio Nacional. The main stadium has a capacity of 5,500. The tournament is staged during the first week of May. Matches are competed on clay courts and there are 32 players in the main draw.

The Estoril Open first took place in 1990 and has been won by a number of quality clay court players. In recent season the event has been one my some big names. None bigger than current champion Roger Federer who beat Nikolay Davydenko in the final to win the title for the first time.