Fenerbahçe fell four points behind Beşiktaş on Thursday after a 1-1 draw against Helenex Yeni Malatyaspor in a Turkish Süper Lig match.
Fenerbahçe 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.
Fenerbahçe remained in second place with 63 points. Helenex Yeni Malatyaspor jumped to the fifteenth with 33 points in the Süper Lig standings.
Göztepe - Çaykur Rizespor: 2-0
Fatih Karagümrük - Atakas Hatayspor: 1-0
Trabzonspor - Hes Kablo Kayserispor: 1-1
Gençlerbirliği - Büyükşehir Belediye Erzurumspor: 1-1
Itifak Holding Konyaspor - MKE Ankaragücü: 1-1
Fraport TAV Antalyaspor - Demir Grup Sivasspor: 2-4
Beşiktaş - Aytemiz Alanyaspor: 3-0
Yukatel Denizlispor - Kasımpaşa: 1-1
Gaziantep FK - Medipol Başakşehir: 2-0
Helenex Yeni Malatyaspor - Fenerbahçe: 1-1