Lauck, in his ninth season as head coach, led Roncalli to the 2011 Class 3A state title. He has also guided the Rebels to six sectional titles, four regional crowns and three Marion County championships.
Lauck, who also serves as the school’s athletic director since succeeding the retired Dave Toner, has a career record of 200-56. His team is 7-2 on the season, having won the Terre Haute Braves Bash.
Sierra Holtsclaw, Amanda Prather and Lauren Fey had two hits each against Southport.
The Rebels downed Beech Grove 13-0 in five innings April 12. Amber Linton went the distance on the mound. Jordan Jenkins was 4-for-4 with two RBIs, and Jen Smith was 3-for-3 and had two RBIs.
(Roncalli sports information director Rob Brown contributed to this article.)