When the FIM MotoGP World Championship returned to Spielberg in Austria and the Red Bull Ring last year after an absence of 19 years, the fast improving factory Ducati team dominated proceedings with their two bikes finishing 1-2, nearly three and a half seconds ahead of the rest of the field.
The Spaniard cleared teammate Dovizioso at Turn 1 and passed Marquez on the next straight, assuming control of the race.
Marquez held the lead at the start, only for Dovizioso's team-mate Jorge Lorenzo to storm past him a few corners later to take over first place.
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Marquez was close enough to challenge for the lead by the eighth lap, but as he ran wide in Lorenzo's wheeltracks into the Remus right-hander at the top of the hill, Dovizioso relegated him to third.
Lorenzo's pace began to fade from that point onwards, yet Dovizioso managed to stick within a couple of tenths of Marquez and coasted past again when the reigning champion erred at Turn 3 on lap 18 of 28.
It did not pay off, but he dived down the inside of Dovizioso into the last corner, only to run wide and allow his rival back through.
World championship leader Marquez had started on pole but Italian Dovizioso got the better of an incredible battle where the lead changed hands several times, including twice on the final corner.
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Marquez lunged down the inside of the Italian, with both forced wide but Dovizioso getting a better exit to hang on to victory.
Johann Zarco finished sixth on his Tech3 Yamaha followed by Valentino Rossi, who has struggled with flu heading into the weekend.
Yamaha's Maverick Vinales produced a late recovery to climb up to fourth on the grid, with Ducati's Danilo Petrucci rounding out the top five.
KTM wildcard Mika Kallio was a standout performer, beating Suzuki's Andrea Iannone to 10th and very almost passing Baz as well.
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