Bautista, who made his debut in the series after nine years in MotoGP, took the new Panigale V4 R with 14,983 seconds after taking the lead in the opening round.
Although he had swept the test of the season ahead of the season, Australian venue and pace in training, Bautista was beaten in qualifying by the two Kawasakis plants.
However, the former MotoGP rider batted out Leon Haslam at the start and quickly pounced on pole sitter Jonathan Rea to take the lead The Stoner Corner.
Rea stayed with the Ducati at first, but was overtaken by Haslam in the following lap – and although he retook the pitch a few seconds later, Bautista had already turned away.
The Spaniard was three seconds later when Haslam passed Rea in the fourth lap on the right corner of Turn 4, and when Rea took second again seven seconds later in the first corner, he was now almost eight seconds behind Bautista. [1
This eventually put Rea in clean air, but the four-time champion was forced to defend Yamaha's Alex Lowes' defenses instead of asserting himself in Bautista's unassailable lead.
In the end, Rea was successful in the defense of Lowes, who lost on the GRT Yamaha in the final lap in third place against Marco Melandri of Michael van der Mark completed the first five.
The Puccetti Kawasaki rider Toprak Razgatlioglu was sublime in the first stint and finished 14th in the grid after three laps.
In the second stage he faded a bit. Half of the race was still sixth and finally defeated the BMW driver Tom Sykes.
Melandris teammate Sandro Cortese, the reigning Supersport champion, finished eighth ahead of new Barni Ducati rider Michael Ruben Rinaldi.
Bautista His team-mate Chaz Davies, who has served as the benchmark for Ducati in recent years, recovered in tenth place after a tough qualifying session.
Haslam rode up after his fall and passed Honda factory rider Ryuichi Kiyonari to reach the final point in 15.
Kiyonari's Honda teammate Leon Camier crashed as he topped the top at the start of the race 10 was running.
Results of the race: