-- Ensure basic matches table exists
CREATE TABLE IF NOT EXISTS matches (
  id SERIAL PRIMARY KEY,
  tournament_id INT NOT NULL REFERENCES tournaments(id) ON DELETE CASCADE,
  player_a_id INT REFERENCES participants(id),
  player_b_id INT REFERENCES participants(id),
  court TEXT,
  start_time TIMESTAMP NULL,
  score_a INT DEFAULT 0,
  score_b INT DEFAULT 0,
  finished BOOLEAN DEFAULT FALSE,
  created_at TIMESTAMP DEFAULT now()
);