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- Mercedes and Haas score on day 1 of the first test week in BarcelonaHLN
- Isack Hadjar makes his debut in Red Bull’s new car, Max Verstappen is not yet in action in Barcelona on MondayNewspaper
- Red Bull and Mercedes make the best impression in the first F1 test, two teams are not readyhbvl.be
- First impression of new Red Bull engine in Barcelona: “Not perfect yet, but fine”NL Motorsport.com
- Hadjar and Red Bull caused a sensation during an unprecedented test day in BarcelonaRacingNews365
