The Ducati rider missed the opening stages of the season after injuring his back in pre-season running at Phillip Island, and is only now returning to action.
The Italian has shown no rust thus far, topping the timesheets on Saturday ahead of Sunday's fifth round of the 2015 World Superbike season.
Giugliano admits that he thrives on one-lap shootouts, but that keeping up with the pace two races will prove tricky after a period on the sidelines.
“I knew that I could put in a fast lap – that’s one of my strengths” he explained. “We can only be pleased with this result and I think it’s a nice reward not only for myself but also for the team, the sponsors and all my fans.
"Sunday will be more difficult; I believe that we’re in a good place as far as set-up is concerned, and we’ve already chosen the tyres, but I’m not physically fit and think I’ll struggle a bit in the races.
"Anyway, that said, never say never, maybe adrenalin will help me! For now I’ll celebrate the Superpole with my team, and tomorrow we’ll have to see…”