sentences:  On 25 May 2015, İstanbul Başakşehir Futbol Kulübü signed a sponsorship agreement with "Medipol Eğitim ve Sağlık Grubu" (Medipol Education and Health Group) for four years and the team's name changed to "Medipol Başakşehir Futbol Kulübü".Before the name change İstanbul Başakşehir were playing their games at Atatürk Olympic Stadium but starting from the 2014–15 season they began to play their games at the Başakşehir Fatih Terim Stadium.26 July 2014 opened officially to public.