Di Grassi used assault mode to set a 1m38.785s benchmark and run zero.062s away from Mercedes rival Stoffel Vandoorne as the highest 11 all categorised inside a second of each other.
Nonetheless, Jean-Eric Vergne, Oliver Turvey and Jake Dennis had been concerned in a serious multi-car pile-up on the beginning straight.
It’s customary after the apply session for vehicles to line up on the grid and apply their launch.
Final outing in Saudi Arabia, Venturi Racing driver Edoardo Mortara suffered a brake-by-wire subject and didn’t gradual his automobile after his apply getaway. He crashed closely into the barrier and was taken to hospital for pre-cautionary checks.
In Italy, the vehicles once more slowed however NIO 333 driver Oliver Turvey was caught unawares.
He rounded the bend and arrived unsighted behind the pack to profession into the rear of BMW Andretti racer Dennis and two-time champion Jean-Eric Vergne.
A minimum of eight vehicles had been on this stretch of monitor on the time of the shunt. This comes amid frustration from a scarcity of group radio reception within the EUR district.
Oliver Turvey, NIO 333
Picture by: Simon Galloway / Motorsport Images
Vergne gave the impression to be in some minor ache after he excited the automobile. Heavy harm uncovered the driveshaft of his DS Techeetah, which suggests the group run the chance of not making qualifying because of the intensive repairs required.
Turvey’s team-mate Tom Blomqvist has been the reason for a purple flag that stopped the session with 5 and a half minutes remaining.
All through opening apply, Blomqvist particularly had been clattering the within kerb on the Flip 12 chicane.
Then on the Flip 14 90-degree right-hander, whereas following Turvey, Blomqvist locked the rears and skidded into the surface wall to halt proceedings.
Blomqvist and Vergne had additionally skilled a turbulent begin to proceedings when points below braking pressured each to straight line corners and take to the run-off areas.
Equally, Dennis misplaced near a minute when he ran large however couldn’t have interaction reverse gear to turnaround and re-join the circuit.
In the meantime, Envision Virgin Racing driver Robin Frijns posted the third-fastest time to eclipse Sergio Sette Camara for Dragon Penske Autosport – the group opting not to usher in its new Penkse EV-5 automobile for Rome regardless of the 5 April homologation window now coming into impact.
Rome E-Prix – FP1 outcomes: