Helmut Marko has blamed yellow flags, caused by Charles Leclerc's spin, for costing Max Verstappen pole position for the British Grand Prix.
The Dutch driver had set a purple Sector 1 when he came across a spinning Leclerc during Sector 2, forcing him to lift from the accelerator.
That allowed Carlos Sainz to pounce with a late lap the claim his maiden pole position on his 151st attempt.
"We were so dominant," Marko told Sky Sports after an intense qualifying fight at Silverstone.
"There were yellow flags, so he had to go off the gas. That cost us pole position. We were so dominant and then something like this happens."
Marko confident Red Bull have race-winning pace
Verstappen was still able to book his place on the front row for Sunday's race and will start ahead of his main championship rivals, Sergio Perez and Leclerc.
And Red Bull spent the dry periods of Friday practice demonstrating impressive race pace, offering the team confidence heading into the Grand Prix.
"Overtaking is difficult here," conceded Marko as he looked ahead to Sunday's race.
"We are in second (Verstappen) and fourth (Perez) place, so from a strategic and tactical point of view there is still a lot that can be done.
He added: "I think we will at least be faster in terms of race-pace."
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