In Saturday's final practice session before qualifying, it was Kimi Räikkönen that topped the timesheets with a blistering lap half a second quicker than his nearest rivals.
Carlin's Lando Norris has taken his first Formula 2 race victory in the season-opening feature race around the Bahrain International Circuit.
Jamie Whincup has taken his second victory of the 2018 Supercars Championship in the opening race of the Tasmania SuperSprint.
Lewis Hamilton has been handed a five-place grid penalty for an unscheduled gearbox change ahead of the 2018 Bahrain Grand Prix.
Daniel Ricciardo may have set the fastest time in the opening practice session, but it was the Ferraris of Vettel and Räikkönen that lit up the timesheets on Friday evening.