The 2020 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 was the 119th season of São Paulo's top professional football league.
If two or more teams were equal on points on completion of the group matches, the following criteria were applied to determine the rankings: Red Bull took over Clube Atlético Bragantino, which resulted in the relegation of Red Bull Brasil to the second tier.
Água Santa was awarded the qualification to Série A1 [5] Source: Regulamento do Paulistão 2020 Archived 13 December 2019 at the Wayback Machine
[6] The Countryside Best Player of the Year was awarded to Artur of Red Bull Bragantino.
[6] The top scorer of the season was Ytalo, who scored seven goals for Red Bull Bragantino.