Kimi Antonelli set the pace after putting in a blistering qualifying lap on Saturday to take pole position for the Monaco Grand Prix.
The 19-year-old Italian is currently leading the drivers' championship and crossed the line with a time of 1:12.051 on the soft tyres.
He snatched pole from Red Bull's Max Verstappen by 0.043 seconds, while Ferrari's Lewis Hamilton finished in third.
Charles Leclerc qualified fourth after hitting the wall on his last flying lap, and Verstappen's teammate Isack Hadjar was fifth fastest.