DUNEDIN — Sebring broke open a close game with 12 runs in the fourth inning as the Blue Streaks beat Dunedin 15-1 in five innings in their Class 6A region quarterfinal.Sebring (23-2), ranked 19th overall in the state by MaxPreps, got on the board in the top of the third inning. Johnneisha Rowe led off the inning with a single and scored on a single by Emily Bible and multiple fielding errors from Dunedin to make it 1-0.The Blue Streaks were aggressive on the bases, running at any sign of indecision by the Dunedin defense. Jade Sinness made it 2-0 with a sacrifice fly that scored Bible, and Layla Taylor had a sacrifice fly that plated Alyssa Perez after she got on base with a triple to increase the lead to 3-0.Dunedin (14-14), making its first region appearance since 2014, had a short rally in the bottom of the third inning when Annalisa Mercer got on base and scored on a double to rightfield by Amanda Goodapple with one out. The Falcons, however, were not able to add any additional runs after Liz Haley and A.J. Rohrer struck out.But the fourth inning proved to be disastrous for Dunedin’s chances at an upset as Sebring batted around twice, sending 18 batters to the plate.Kiara Delgado led off the inning with a single and Rowe reached on an error. A single by Bible loaded the bases and pinch runner Angie Oliveros scored on a sacrifice fly by Sinness to make it 4-1. After Perez walked to load the bases again Layla Taylor, McKinley Carver and Adrianna DuBois all followed with RBI singles to make it 7-1. Emily White reached on an error and two Sebring runners scored to make it 9-1. Bible walked with the bases loaded again to make it 10-1 and end the night for Dunedin starter Alissa Mankiewich.Makayla Oster came in for relief and Sinness roped the first pitch she threw to deep left center for a bases-clearing triple and a 13-1 lead. The Blue Streaks tacked on two more runs before Oster could get out of the marathon half inning.That was more than enough for Sebring starter Maci Barnhart, who had 11 strikeouts in the five innings.