2018–19 Serbian First League

As of the 2018-19 season, the league reverted to its previous playoff system, whereby the top 8 placed teams compete in the promoted round at the end of the season and the 8 lowest placed teams play in the relegation playoff round.

The four bottom placed teams are relegated to the Serbian League.

At the end of the season, the top two teams and the winner of the play-offs are promoted to the Super League.

The First League play-offs is a knock-out competition for the teams finishing the season in third to sixth place with the winner being promoted to the Super League.

The bottom eight teams from the regular season play in the relegation round.