The 2003 Campeonato Paulista de Futebol Profissional da Primeira Divisão - Série A1 was the 102nd season of São Paulo's top professional football league. Corinthians won the championship for the 25th time. Botafogo-SP and Internacional de Limeira were relegated.
Format On the first stage, the 21 teams are split in 3 groups with 7 teams each. In each group, every team play against all the other teams in the same group. The first and second teams from each group qualify to the quarterfinals. The two best teams in the overall standings also qualify. The 12 worst teams advance to the relegation tournament.
The quarterfinals are played in one-leg, and the semifinals and the finals are played in two-leg. On the relegation tournament, the twelve teams are split in two groups of six. Each team plays against all the teams in the other group. The worst club in this stage standings is relegated, and the second worst club has to play a relegation playoff match against the runner-up from the second division.
Participating teams Club Home city 2002 result América São José do Rio Preto Botafogo-SP Ribeirão Preto Corinthians São Paulo (Tatuapé) Guarani Campinas Internacional de Limeira Limeira Ituano Itu Juventus São Paulo (Mooca) Marília Marília Mogi Mirim Mogi Mirim Palmeiras São Paulo (Perdizes) Paulista Jundiaí Ponte Preta Campinas Portuguesa São Paulo (Pari) Portuguesa Santista Santos Rio Branco Americana Santo André Santo André Santos Santos São Caetano São Caetano do Sul São Paulo São Paulo (Morumbi) União Barbarense Santa Bárbara d'Oeste União São João Araras
First stage
Group 1
Group 2
Group 3
Relegation tournament
Group A
Group B
Results
Relegation playoff The team with the second worst campaign plays against the runner-up from the second division of the state championship.
Atlético Sorocaba is promoted to the state championship's first division, and Botafogo-SP is relegated to the second division.
Final stage
Quarterfinals
Semifinals
First leg
Second leg
Finals
Final standings
References
External links