Davies finishes second with Haslam and Sykes in forth and fifth, respectively.
Haslam and Lowes complete the podium, Torres ahead of Sykes in fourth.
The 24-year-old Englishman was the first rider to break the 1’35 barrier to record a 1’34.685s lap time.
The Briton on lap record pace on the opening day of WorldSBK action
The 2015 eni FIM World Superbike Championship officially began with a series of events that also celebrated 25 years of WorldSBK competition at the iconic Phillip Island GP Circuit.
With almost perfect weather conditions the 25 protagonists relished the opportunity to fine tune their machines.
The first ever WSBK race to be held under floodlights has been won by Sylvain Guintoli.
The second time this year for Davide Giugliano as pole sitter.
Because of the weather, the race distance was reduced to 19 laps.
Tom Sykes is looking to return to his previous winning form.