Felipe Drugovich made it three wins in four races in 2018 after a second consecutive lights-to-flag triumph at Paul Ricard on Sunday.
Felipe Drugovich extended his advantage at the top of the championship standings with a dominant race win at Paul Ricard on Saturday.
Polish driver Alex Karkosik was quickest in the dry morning session in France, while team-mate Marcos Siebert was fastest in the wet afternoon session.
Argentine race Marcos Siebert took his first EuroFormula Open victory at Estoril on Sunday despite the close attention of Felipe Drugovich.
It seemed easy for the Brazilian as he led from start to finish in the opening race of the EuroFormula Open season at Estoril on Saturday.
It will be an all-Brazilian front row for race one in Portugal, with Felipe Drugovich being joined there by Matheus Iorio.
The Brazilian, a race winner in a one-off appearance in EuroFormula Open at the end of 2017, started the 2018 with the fastest time in practice at Estoril on Friday.
Bent Viscaal left the Circuit Paul Ricard with a double victory in the EuroFormula Open Winter Series on Saturday.
The Checkered Flag looks back at the more obscure FIA Formula 4 series from 2017 and where the new international talent will emerge from.