<prompt> The 2015 Bahrain GP2 Series rwakapoteredza aiva vaviri mumwe-make mumwe-chigaro motokari yemijaho yakaitwa musi 18 uye 19 April 2015 panguva Bahrain International Circuit muna Sakhir, Bahrain sezvo chikamu GP2 Series. Yakanga iri yekutanga kutenderera kwe2015 GP2 Series uye yakamhanya mukutsigira 2015 Bahrain Grand Prix  <response>: . Mujaho wokutanga, chiitiko chemakumbo makumi matatu nemaviri, wakakundwa nemutyairi weART Grand Prix Stoffel Vandoorne kubva panzvimbo yepamusoro. Rio Haryanto akapedza wechipiri weCampos Racing timu, uye mutyairi weRacing Engineering Alexander Rossi akatora wechitatu. Haryanto akakunda nhangemutange pfupi ye23-lap sprint, kubva kuVandoorne ari wechipiri, uye mutyairi weRazaro Nathanaël Berthon ari wechitatu. 