The Estoril Open is an annual professional tennis tournament held in Estoril, Portugal. It is part of the ATP Tour and features both men's and women's competitions. The event typically takes place in April and is played on outdoor clay courts, attracting players from around the world. Established in 1990, the Estoril Open has become a popular stop on the tennis calendar. It offers a mix of emerging talents and established stars, providing an exciting atmosphere for fans. The tournament is known for its scenic location near the Atlantic Ocean, enhancing the overall experience for attendees.