Fenerbahce fell four points behind Besiktas on Thursday after a 1-1 draw against Helenex Yeni Malatyaspor in a Turkish Super Lig match.
Fenerbahce broke the deadlock in minute 17 when Enner Valencia scored a free-kick goal.
In minute 35, the home team equalized on a goal from left winger Mustafa Eskihellac at Yeni Malatya Stadium.
Ecuadorian striker Valencia scored for the Istanbul club but it was disallowed because of an offside call in the 67th minute.
Fenerbahce remained in second place with 63 points. Helenex Yeni Malatyaspor jumped to fifteenth with 33 points in the Super Lig standings.
Week 33 results
Goztepe – Caykur Rizespor: 2-0
Fatih Karagumruk – Atakas Hatayspor: 1-0
Trabzonspor – Hes Kablo Kayserispor: 1-1
Genclerbirligi – Buyuksehir Belediye Erzurumspor: 1-1
Itifak Holding Konyaspor – MKE Ankaragucu: 1-1
Fraport TAV Antalyaspor – Demir Grup Sivasspor: 2-4
Besiktas – Aytemiz Alanyaspor: 3-0
Yukatel Denizlispor – Kasimpasa: 1-1
Gaziantep FK – Medipol Basaksehir: 2-0
Helenex Yeni Malatyaspor – Fenerbahce: 1-1