Socceroos midfielder James Troisi was the matchwinner as Kayserispor won 1-0 at Samsunspor.
The Australia international's second minute striker was enough to win it for the mid-table side.
Meanwhile, Besiktas moved within a point of Super Lig leader Galatasaray with a 4-1 win away to Manisaspor.
Sivasspor remains mid-table after enjoying an away win.
Sivasspor trailed to
Ankaragucu remain adrift at the bottom of the table after being held to a 0-0 draw at home to Bursaspor, while the day's other game between Istanbul Buyuksehir and Mersin Idmanyurdu also ended goalless.