The Brazilian Serie B is the second tier of professional football in Brazil, operating under the Brazilian Football Confederation. It features 20 teams competing annually for promotion to the top division, known as Serie A. The league typically runs from May to November, with each team playing 38 matches. Teams earn points based on match results, with victories awarding three points and draws one point. The top four teams at the end of the season are promoted to Serie A, while the bottom four teams are relegated to Serie C. This structure creates a competitive environment for clubs striving for advancement.