Liam Lawson stormed to pole position at Monaco for Carlin taking a valuable two points for his admirable efforts.
Frenchman Theo Pourchaire will line up in second place for Sunday’s Feature Race after topping Group A.
Jake Hughes suffered a big impact at the Swimming Pool chicane which brought an abrupt end to the Group B session.
The Van Amersfoort driver set the fifth quickest time in the second session ahead of Roy Nissany and Logan Sargeant.
Monaco is home to a unique grouped Qualifying format which sees the field split into two groups of 11 cars.
Group A got underway with the majority of the cars taking to the track at the green light to set banker lap times at the infamous Monaco circuit.
Virtuosi driver Jack Doohan set the first representative time of the session with a 1:26.304 which was quickly beaten by Belgian Amaury Cordeel.
The first session was a slow burner initially as the super soft tyre failed to deliver sequential fast times.
Felipe Drugovich’s 1:21.795 was good enough for P1 with five minutes to go as the times began to get quicker.
A flurry of drivers tried and failed to beat the Brazilian with Campos driver Boschung, Hauger and Doohan setting inferior times.
The championship leader improved his time and set a 1:21.348 as Lawson went two tenths slower in P2.
As the chequered flag fell Drugovich agonisingly hit the barrier at Antony Noghès after setting a fastest middle sector.
A costly mistake as Lawson and Ayumu Iwasa went quicker despite their times being set under yellow flags. This put a question mark over the final classification of the first group.
The Kiwi set the quickest time in Group A with a 1:21.229, a tough benchmark for Group B to match.
Group B featured the heavy hitters Juri Vips, Theo Pourchaire and PREMA driver Jehan Daruvala in a hugely competitive group.
Sargeant set a 1:22.230 for Carlin as the pace got close to Group A during the most important Qualifying session of the season.
Pourchaire was on the ragged edge on his effort with five minutes to go but lost grip on the exit of the Swimming Pool chicane and went third fastest.
Hughes clouted the barrier at Antony Noghès before his 1:22.011 was beaten by Daruvala and Enzo Fittipaldi.
The times continued to tumble as Pourchaire and Vips set blistering laps to go quickest and second fastest.
The red flags were brought out with a minute to go as Jake Hughes suffered a big crash at the Swimming pool chicane. The British driver walked away from his Van Amersfoort after a frightening incident.
Lawson will line up on pole position for the Feature Race for for Carlin with Pourchaire and Iwasa in second and third.
Vips will start in P4 ahead of Drugovich, Fittipaldi, Doohan and Daruvala at Monaco with Armstrong P9 in front of Hughes who rounded out the top 10.
*Results to be confirmed*
Quali Group 1 :
Quali Group 2: