Last season's 1.Lig champions stunned their illustrious visitors by taking a second-minute lead, Florin Cernat tucking away a penalty, and they pulled two goals clear after 11 minutes when Hakan Ozmert drilled home from 15 yards with the aid of a major deflection.

Galatasaray, who began the match in third place but now drop to fourth, pulled a goal back after 74 minutes when Baris Ozbek struck.

Second-bottom Eskisehirspor remain without a win after seven matches, drawing 0-0 away to Bucaspor in tonight's other match.