Full times and results from Saturday afternoon's feature race 1 at the Red Bull Ring in Spielberg, Austria, the fourth weekend of the 2015 GP2 championship.
Raffaele Marciello claimed his maiden GP2 Series win for Racing Engineering at Spa after overtaking longtime leader Stoffel Vandoorne late in the race.
Arden's Johnny Cecotto Jr. will have to sit out the Saturday spring race in Monaco after being handed a one-race ban for his part in Friday's major pile-up.
A first-lap crash that engulfed half the field proved just the opportunity Russian Time's Sam Bird needed to repeat his 2012 World Series by Renault victory in Monaco.
Fabio Leimer didn't let Racing Engineering down on Saturday, converting his emphatic pole position to an equally comfortable feature race win in Bahrain.
Davide Valsecchi clinched the 2012 GP2 Series championship over Luiz Razia, while Max Chilton won the Saturday feature race in Singapore ahead of Esteban Guti?rrez.
Max Chilton followed through on his first GP2 Series pole position to successfully convert it into his maiden victory, despite intense late pressure from Davide Valsecchi.