Chugiak opened the Cook Inlet Conference hockey tournament Monday with a 6-2 upset of Service to earn a shot at top-seeded South in the semifinals later this week.
The Mustangs, the tournament’s fifth seed, routed fourth-seeded Service 6-2 at the McDonald Center.
South dumped eighth-seeded East 8-0 in the night’s other game at Ben Boeke Arena.
The losses ended the season for Service and East.
Taylor Garner scored two goals and an assist for Chugiak, which reeled off three goals in the third period. Kris Tomazevic supplied a goal and two assists and Sam Hanson furnished two assists for the Mustangs, who also got goals from Hunter Hanson and John Hammer.
Bradley Kuper scored in the second period and Derek Scoggins in the third for Service, which got 20 saves from Angus Klancher and one from Dustin Fritz.
Goaltender Jack Straub stopped 19 shots for Chugiak.
South cruised past East behind Daniel Widmar’s hat trick and Bryson Schmitz’s two goals.
Blake Henderson rejected 36 shots for East, including 14 in the first period and 16 in the second. South led 4-0 after two periods and piled on four more in the final period.
Cayden Hahill and Croix Evingson each racked up a goal and three assists and Tyler Onstott added a goal and one assist for the Wolverines.
First-round action continues Tuesday when Dimond meets Bartlett and West plays Eagle River, with the winners meeting in Thursday’s semifinals.