2003 Campeonato Paulista

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.

Group 1

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

Results

Source:
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.

Group 2

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

Results

Source:
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.

Group 3

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

Results

Source:
1 ^{^} The home team is listed in the left-hand column.
Colours: Blue = home team win; Yellow = draw; Red = away team win.

Group A

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

Group B

Source:
Rules for classification: 1) points; 2) goal difference; 3) number of goals scored
(C) = Champion; (R) = Relegated; (P) = Promoted; (E) = Eliminated; (O) = Play-off winner; (A) = Advances to a further round.
Only applicable when the season is not finished:
(Q) = Qualified to the phase of tournament indicated; (TQ) = Qualified to tournament, but not yet to the particular phase indicated; (RQ) = Qualified to the relegation tournament indicated; (DQ) = Disqualified from tournament.

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.