Basaksehir scored two goals to beat Galatasaray and leave Jan Olde Riekerink's side in danger of Super League before Fenerbahce Derby.
Galatasaray scored a goal with Sinan Gümüş in first half but can not keep the score.
Basaksehir anwsered with striker Mehmet Battal and first half ended 1-1.
With the beginning second half Galatasaray could not control the game.
Basaksehir scored the winning goal and guaranteed the first place of Super League on 9th week.