The Turkish Second League, officially known as TFF 1. Lig, is the second tier of professional football in Turkey. It operates under the governance of the Turkish Football Federation and features clubs that compete for promotion to the top division, the Süper Lig. The league typically consists of 18 teams that play each other in a round-robin format. At the end of the season, the top teams earn promotion, while the bottom teams face relegation to the Turkish Third League. The league is known for its competitive nature and serves as a crucial platform for developing talent in Turkish football.