Lakeville South beat Rochester Century 5-1 in the Class 2A, Section 1 boys' hockey semifinals at Rochester Rec Center on Saturday.
Cade Ahrenholz scored 2 minutes, 41 seconds into the second period to put the Cougars up 2-1.
In the third period, Jack Leland and Zach Oelrich scored a pair of goals 38 seconds apart, while Tanner Ludtke had an empty-net goal with 1:30 left.
Goaltender Cody Ticen had 28 saves for the Cougars.
Section 2 semifinals: Minnesota Duluth commit Ben Steeves scored a pair of goals to lead No. 3-ranked Eden Prairie to a 6-1 victory over Minnetonka. Teddy Lagerback put the Skippers on the board first with 7:26 left in the first period. Steeves tied the game 1-all 1:32 into the second period and scored again two minutes later. Teammate Jackson Blake had an assist on both goals.
Chaska had three second-period goals to beat No. 6-ranked Prior Lake 4-1. Max Burkholder put the Hawks on the board first with a power-play goal 4:01 into the first period. Bauer Barry scored seven minutes into the second period, while Jimmy Snuggerud and Zach Seltun scored a pair of goals 2:31 apart.
Section 3 semifinals: Riley O'Brien had one goal and an assist to lead St. Thomas Academy to a 3-1 victory over Rosemount. Luke Levandowski had the lone goal for the Irish.
Burnsville had three first-period goals to beat Eagan 5-1. The Blaze jumped to a 3-0 lead on goals by Jack Holmstrom, Dylan Reed and Tim Urlaub. Teammate Korey Bell had a goal 4:50 into the second period and Kade Nielsen scored 11:57 into the third.