Top-ranked Mason City advanced to the Class 4A semifinals at the State High School Baseball Tournament on a day which featured lop-sided scores. The Mohawks scored seven runs in the top of the seventh inning to blow the game open in an 11-4 victory over Ankeny. Mason City starter Brandon Platts gave up only one run and two hits in five and as third innings of work to earn his tenth victory of the season against no losses.

Mason City will meet seventh-rated Cedar Rapids Kennedy in Friday night’s semifinal round. The Cougars scored five runs in the top of the fifth to erase a 2-0 deficit then pulled away from second-rated West Des Moines Dowling Catholic for a 12-2 victory. Austin Christensen had a big night on the mound and at the plate for Kennedy. Christensen recorded eight strikeouts in more than five innings of work and also had two hits and drove in a pair of runs. Terrell Sykes had a pair of doubles and drove in four runs for Kennedy.

Andrew Redmen tossed a two-hit shutout as third-ranked Dubuque Hempstead rolled past Indianola 10-0. The Mustangs ended the game by scoring six runs in the bottom of the sixth inning and advance to take on fourth ranked Iowa City West in the semifinals. The Trojans ousted defending state champion Sioux City North 11-1. Ryan Rumpf drove in three runs and Spencer Bonner had three hits to lead West.