Open de Oeiras
The Oeiras Open is a professional tennis tournament played on clay courts. It is currently part of the ATP Challenger Tour. It was first held in Oeiras, Portugal during 2021 in two editions.
The winning records are held by Portuguese tennis players both in singles and doubles, by Gastão Elias, and by Nuno Borges and Francisco [Cabral (tennis)|Francisco Cabral] respectively, with 3 victories each. They recorded them simultaneously two times in the 2022 I and II editions, making them one-flag winners editions.