2017–18 in Turkish football explained

The 2017–18 season was the 113th season of competitive football in Turkey.

Pre-season

League	Promoted to league	Relegated from league
	Sivasspor Yeni Malatyaspor Göztepe	Çaykur Rizespor Gaziantepspor Adanaspor
	İstanbulspor Ankaragücü Erzurum BB	Şanlıurfaspor Bandırmaspor Mersin İdman Yurdu
	Sancaktepe Belediyespor Altay BB Bodrumspor Silivrispor Afjet Afyonspor Sakaryaspor	Anadolu Üsküdar 1908 Tepecikspor Ofspor Aydınspor 1461 Trabzon Kayseri Erciyesspor
	Şanlıurfa Karaköprü Belediyespor Arsinspor Güzelorduspor Osmaniyespor Yeni Altındağ Belediyespor Utaş Uşakspor Turgutluspor Erokspor Ergene Velimeşespor	Kartalspor Beylerbeyi SK Kütahyaspor Manavgatspor Dersimspor Derincespor Türk Metal Kırıkkalespor Maltepespor Denizli Belediyespor Orduspor

Teams seeded for the group stages: Konyaspor (defending champions), Beşiktaş (1st in the Süper Lig), İstanbul Başakşehir (2nd), and Fenerbahçe (3rd).
Teams seeded for the play-off round: Galatasaray (4th in the Süper Lig), Antalyaspor (5th), Trabzonspor (6th), Akhisar Belediyespor (7th), Gençlerbirliği (8th), Kasımpaşa S.K. (10th), Kardemir Karabükspor (11th), Alanyaspor (12th), Osmanlıspor (13th), Bursaspor (14th), Kayserispor (15th), Sivasspor (1.Lig champions), Yeni Malatyaspor (1.Lig runners-up), and Göztepe (promoted from the 1.Lig)
Teams seeded for the second round: Çaykur Rizespor (16th in the Süper Lig), Gaziantepspor (17th), Adanaspor (18th), Eskişehirspor (3rd in the 1.Lig), Boluspor (4th), Giresunspor (6th), Altınordu (7th), Ümraniyespor (8th), Balıkesirspor (9th), Elazığspor (10th), Denizlispor (11th), Manisaspor (12th), Gaziantep B.B. (13th), Adana Demirspor (14th), Samsunspor (15th), Şanlıurfaspor (16th in the 1.Lig), Bandırmaspor (17th), Mersin İdman Yurdu (18th),