The season was named after Lefter Küçükandonyadis, a former Turkey national team player and Fenerbahçe legend.

[1] This season the VAR was introduced in all games of Süper Lig competition.

It includes Rizespor and Ankaragücü, the two top teams from the TFF First League, and Erzurum BB, the winners of the 2017–18 TFF First League playoffs.

Gençlerbirliği, Osmanlıspor, and Karabükspor were relegated to 2018–19 TFF First League.

The following table represents the teams' positions after each round in the competition.