The Trident driver took his maiden series victory in a mixed-up feature race which saw all top six title contenders encounter difficulties.
Novalak was inside the top 10 by the first safety car, which came moments into the opening lap, and gained places as those ahead encountered trouble.
He made a well-timed pitstop after championship leader Theo Pourchaire (ART) crashed out, dipping into the pits with both Prema-run cars moments before the safety car was deployed.
Moments later, title contender Frederik Vesti lost both rear wheels, ending his race and handing Novalak the lead.
But the Frenchman said he “didn’t even know” that was the case until the safety car was “right in front” of him.
He said: “To be honest, I didn't really have much overtaking to do, I'm not going to lie to you.
“I think at the first restart, obviously a few guys went off and we managed to pick up a couple of positions that way.
“Then, I don't really know why the safety car was triggered to be honest because the incident wasn't anywhere around me.
“We made use of the fact that we managed to box right before it came out and sort of boxed under safety car, you could say and manage to obviously come out in front.
“I'm not going to lie; I didn't even know I was in the lead until the safety car was right in front of me and I realised there’s no cars between us.”
It was not all smooth sailing from there, though, with Novalak complaining of a brake bias issue while leading the race.
Source: Autosport