Completing the following sentence: The 2015 Bahrain GP2 Series round was a pair of one-make single seater motor races held on 18 and 19 April 2015 at the Bahrain International Circuit in Sakhir, Bahrain as part of the GP2 Series. It was the first round of the 2015 GP2 Series and was run in support of the
2015 Bahrain Grand Prix. The first race, a 32-lap feature event, was won by ART Grand Prix driver Stoffel Vandoorne from pole position. Rio Haryanto<unk> finished second for the Campos Racing team, and Racing Engineering driver Alexander Rossi took third.<unk> Rio Haryanto finished second for the Campos Racing team, and Racing Engineering driver Alexander Rossi took third.<unk> Haryanto won the shorter 23-lap sprint race, from Vandoorne in second, and Lazarus driver Nathanaël Berthon in third.<unk> Haryanto won the shorter 23-lap sprint race, from Vandoorne in second, and Lazarus driver Nathanaël Berthon in third.<unk> Haryanto won the shorter 23-lap sprint race, from Vandoorne in second, and Lazarus driver Nathanaël Berthon in third.