Baldassarri had a giant crash only one lap into the race and even collected Mattia Pasini within the course of, earlier than being taken away on a stretcher.
He was subsequently identified with a dislocated proper collarbone and a concussion, and headed the native hospital.
It was the second main incident in two laps, with Andrea Locatelli having had a large highside at Flip three after the beginning, the Italian lucky to keep away from being hit by one other bike.
Tom Luthi and Marquez took first and second from pole-sitter Jorge Navarro firstly, with the Swiss rider main the primary few laps.
However Marquez handed Luthi on the Dunlop Curve on lap four and the latter misplaced extra positions in fast succession.
For some time it was a Marc VDS 1-2 with Xavi Vierge following Marquez, however the charging Simone Corsi quickly handed the latter.
The Tasca Racing rider carved his approach by way of the sector from 18th on the grid, operating second after simply 9 laps.
However as he set out after Marquez, Corsi ended up crashing out simply three laps later at Flip 13.
Marquez’s lead then grew to over a second, with Navarro inheriting second. The Velocity Up rider’s efforts to shut in on Marquez ended when Augusto Fernandez began to assault him, the duo switching positions a few occasions, permitting Marquez to extend his hole to 2 seconds.
Navarro appeared to have began a late-race cost, however that stopped when he ran large at Storage Vert, permitting Fernandez by way of.
Marquez then managed his hole to cross the road first by 1.1s, his first win since Motegi in 2017.
Navarro didn’t let Fernandez draw back and even reclaimed second, solely to make one other mistake, earlier than finally securing the place with a last-lap transfer.
Each Navarro and Fernandez repeated their outcomes from the earlier race at Jerez, with Brad Binder taking his finest results of the season with the struggling Ajo KTM crew.
He stole fourth from Vierge within the dying phases, the latter adopted by Luthi, who needed to accept sixth.
Italtrans rookie Enea Bastianini completed seventh, adopted by Marcel Schrotter (Intact), Iker Lecuona (CGBM) and Nicolo Bulega (Sky VR46).
9 riders crashed out of the race together with Sam Lowes, Somkiat Chantra, Remy Gardner, Dimas Ekky Pratama and Steven Odendaal.
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