Jace Baldwin scored a pair of goals and Tyler Ampe stopped all 28 shots the Sioux Lookout Flyers directed his way, leading the Fort Frances Lakers to a 4-0 win on Tuesday night.
Byron Katapaytuk and Ryan Wildman also scored for Fort Frances, who strengthened their grasp on first place in the Superior International Junior Hockey League.
The Lakers improved to 15-6-1, and are four points ahead of Thunder Bay and five ahead of Wisconsin, who has four games in hand.