Ronald Vargas scored from the penalty spot after seven minutes, and then doubled his and his side's tally shortly afterwards to leave them well on course for all three points.
But it was were forced to settle for one when Mehmet Ekici halved the deficit just after the hour mark before substitute Oscar Cardozo drew the visitor level in the final minute.
Mersin Idmanyurdu and Genclerbirligi remain level on points in the table after a 1-1 draw.
Berat Tosun put visiting Genclerbirligi ahead six minutes after half-time but Welliton equalised in the 73rd minute to ensure the spoils were shared.