The 2023 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 was the 122nd season of São Paulo's top professional football league.
If two or more teams are equal on points on completion of the group matches, the following criteria are applied to determine the rankings: The broadcasting rights of the 2023 Campeonato Paulista were acquired by Record TV for the second consecutive year, with their streaming app Play Plus also transmitting the matches live.
Aside of that, the streaming platforms HBO Max and Estádio TNT Sports (owned by TNT) and the Paulistão official YouTube channel and app (Paulistão Play) also broadcast the matches live.
The knockout stage of the 2023 Campeonato Paulista commenced on 11 March 2023 with the quarter-finals and ended on 9 April 2023 with the final.
The quarter-finals will be played in a single match at the stadium of the better-ranked team in the first phase.