Marc Marquez regained the championship lead after a dramatic Australian MotoGP dash race by which title rival Jorge Martin crashed out of second place.
Marquez took command from pole earlier than battling with Martin all through the race, till the Aprilia rider crashed out of second place and left the monitor by way of a stretcher.
The nine-time world champion made the perfect begin from pole place and retained the lead going into the primary nook, whereas Martin moved from fourth to second.
Alex Marquez handed Martin and appeared to have tempo to problem for the race victory, however the Aprilia rider received him again at the beginning of the second lap and set his sights on Marquez within the race lead.
Martin handed Marquez at Flip 4 on the third lap, earlier than the Ducati rider sat him up on the exit of the nook to carry onto the lead.
The Aprilia rider tried his luck at Flip 9 nook and this time made the transfer caught to get in entrance for the primary time within the race.
Simply behind, Acosta handed Alex Marquez on the similar nook to maneuver into third after his fast begin to the race, though the Gresini rider did handle to get again in entrance.
Martin ran extensive at Flip 2 to present the lead again to Marquez, however the Aprilia rider knew he would have the tempo to get in entrance at the beginning/end straight on the run all the way down to the primary nook.
As soon as once more, he received in entrance however one other error noticed him drop again behind the nine-time world champion, with their duel persevering with all through the primary half of the race.
The decisive moments got here on Lap 8, when Martin tried once more to get previous Marquez, earlier than the Ducati rider reduce throughout at Flip 2.
Martin received again in entrance at Flip 4 by sitting up the Ducati rider, who pressured him extensive to carry onto the lead as soon as once more.
Later within the lap whereas chasing and searching quicker than Marquez, Martin crashed out of second place after getting on the curb at Flip 8 and was stretchered away by the medical staff.
After the incident Alex Marquez, who received again forward of Acosta and had closed in on the highest two, moved into second however by no means appeared near difficult his brother within the lead.
It meant Marquez was in a position to cross the road to notch up his ninth dash victory of the marketing campaign and return to the highest of the championship standings by 10 factors.
It was a Marquez 1-2 as Alex Marquez held onto second place, whereas Fabio Di Giannantonio accomplished the rostrum in third.
Marco Bezzecchi completed fourth and was the highest Aprilia rider, as Acosta pale after a robust begin however nonetheless accomplished the highest 5.
Ai Ogura was sixth on the chequered flag forward of a battle that noticed Brad Binder beat Jack Miller to seventh. In the meantime, Diogo Moreira stole the ultimate level over the road in ninth from Iker Lecuona in tenth.
Fabio Quartararo was eleventh and led Twelfth-placed Enea Bastianini and Thirteenth-placed Alex Rins over the road, with Franco Morbidelli 14th and Augusto Fernandez rounding out the finishers in a distant fifteenth.
Johann Zarco retired with a technical drawback whereas working within the high 5 and joined Francesco Bagnaia and Maverick Vinales with bike points.
Raul Fernandez additionally failed to complete the race, with Martin the only real crasher.