This is game number one of the second round of playoffs (best 3 out of 5).
Lac St.Louis directed 40 shots on goal against 26 for Trois-Rivières.
Christopher Duchesne got an assist, and scored the game-winning goal to be named first star of the game.
Trois-Rivières captain Tommy Luneau took a bad 5m penalty at the end of the second period, and stayed on the bench for the rest of the game.
389 people attended the game.
Lac St.Louis now lead the series 1-0.