Blaine opened the game with a 21-4 run and went on to defeat Coon Rapids 64-44 in the Class 4A, Section 7 boys’ basketball semifinals at Forest Lake High School.

Lucas Larson scored 17 points to lead the Bengals (21-7), who didn’t allow the Cardinals to get closer than 13 points after taking that 17-point lead.

Jason Kaul scored 11 and Tim Williams and Patrick Perrault each contributed 10 for the balanced Bengals.

Marshall Holland scored 16 to lead the Cardinals (10-18). Blaine and Coon Rapids split two regular-season meetings.

The Bengals will play Cambridge-Isanti at Elk River on Thursday for the section title.

Cambridge-Isanti 77, Duluth East 74 [OT]: Henry Abraham scored 23 points and Luke Malamisuro 22 to help the Bluejackets (16-12), coached by Mike McDonald, outlast the Greyhounds, coached by Mike McDonald’s son Rhett, in the other Section 7 semifinal. Isiah Hendrickson and Noah Winesett each scored 23 for the Greyhounds, who led by five at halftime.

Class 3A

Waconia 68, Benilde-St. Margaret’s 65: Waconia rallied from a seven-point halftime deficit to defeat the Red Knights in the Section 6 semifinals. The Wildcats (18-11) opened the second half with a 12-4 run to take a 40-39 lead. The Red Knights (9-19) got within three points in the final minute. P.J. Hayes scored 20 points to lead the Wildcats, who will play DeLaSalle for the section championship on Thursday.

DeLaSalle 98, Minneapolis Henry 47: The host Islanders raced to a 63-22 halftime lead en route to the Section 6 semifinal victory. Tyrell Terry had 19 points, seven rebounds and seven assists and Jalen Travis had 18 points and eight rebounds to lead the Islanders (23-5).

Class 2A

Breck 73 Rockford 57: David Roddy had 35 points and 18 rebounds to lead the Mustangs to the Section 5 quarterfinal victory over Rockford. Roddy made 16 of 24 field-goal attempts. Breck (21-5) will play Maranatha in the semifinals on Wednesday. Maranatha defeated Providence Academy 60-46 on Saturday. Todd Traen scored 17 and Nick Manthana 16 for Rockford (16-12).

Litchfield 77, Watertown-Mayer 50: Owen Boerema scored 28 points to lead the Dragons to the Section 5 quarterfinal victory. Alex Gruenke added 15 points for the Dragons (23-5), who will play Minneapolis North in the semifinals on Wednesday.

Minneapolis North 70, Blake 44: The Polars pulled away in the second half for the Section 5 quarterfinal victory over the Bears. The Polars (19-9), who led 25-17 at halftime, outscored the Bears, 45-27 after the intermission. Eli Campbell scored 16 points and Davon Townley added 15 for the Polars.

Minnehaha Academy 71, Concordia Academy 45: The two-time defending Class 2A state champion Redhawks advanced to the Section 4 semifinals with the victory over the Beacons. It was the 18th consecutive victory for the Redhawks (24-2), whose only two losses are to Class 4A Hopkins. The Redhawks will play host to Trinity on Tuesday in semifinals.

Trinity 45, Edison 42: Trinity withstood a strong second-half by the Tommies in a Section 4 quarterfinal. Edison trailed by as many as 13 in the second half, rallied to take a two-point lead with less than two minutes, but Trinity pulled it out. Ben Maslow scored 15 to lead Trinity.

Class 1A

Minnesota Transitions 75, West Lutheran 67 [OT]: Kyriaun Christian scored 30 points and Michael Emery-Minor 29 to help the Wolves rally for the Section 4 quarterfinal win.