The Canadian misplaced the rear of his AMR23 exiting the ultimate nook as he tried to complete his remaining flying lap after the chequered flag had been waved for Q1.
Stroll appeared to clip the exit kerb on the first apex to unsettle the rear axle, which projected him into the surface wall.
He made heavy contact to spin throughout the circuit and into the trail of McLaren driver Oscar Piastri, who narrowly averted the stricken Aston Martin.
Stroll radioed to verify he was OK earlier than ultimately exiting the automotive.
When Stroll did climb out, he was met with cheers and applause from the Marina Bay grandstands.
The FIA says a prolonged restoration interval is anticipated given fluid has spilled on the observe floor whereas barrier checks and doable repairs are required.
On account of not crossing the timing line, Stroll ended the session in twentieth behind Alfa Romeo driver Zhou Guanyu.
Lance Stroll, Aston Martin AMR23, walks away from his closely broken automotive after a crash in the direction of the tip of Q1
Photograph by: Andy Hone / Motorsport Images
There was potential, previous to the shunt, for an enormous scalp to be claimed in Q1 given the heavy site visitors and excessive observe evolution.
As grip ranges improved dramatically late on, Yuki Tsunoda ran quickest for AlphaTauri earlier than the Haas machines of Nico Hulkenberg and Kevin Magnussen ran quickly to second and third.
This got here because the Mercedes, Ferraris and Max Verstappen struggled to enhance their first and second sector occasions on account of the out-lap congestion, which might have seemingly hindered tyre preparation.
Verstappen can be underneath investigation for impeding within the pit lane, having sat stationary aboard his RB19 on the exit whereas the inexperienced gentle was displayed.
Amid the drama, Lewis Hamilton and Alex Albon narrowly progressed into Q2.
In the meantime, Sixteenth-placed Valtteri Bottas, Piastri and Williams rookie Logan Sargeant have been additionally eradicated together with Zhou and Stroll.