Lakeshore and Essex will clash for the Stobbs Division title in the Provincial Junior Hockey League.
The Canadiens advanced with a 4-2 win on the road in Blenheim Thursday night.
Nick Tavolieri-Essex scored twice for Lakeshore, while Joe Binder and Connor Rosaasen added singles.
Mitch Topliffe made 29 saves to pick up the win.
The Canadiens win the semifinal series, 4-2.