The road to Grand Chute begins on Thursday with a trio of games.
In Division 2, Door County/Kewaunee County grudge match between two non-conference opponents as Sturgeon Bay visits Luxemburg-Casco at 4:30 p.m.
In Division 3, Gibraltar will stay home to face Roncalli while the war on the shore heads to the diamond with Algoma visiting Kewaunee. The first pitch for those games is 4:30 p.m.
In Division 4, Sevastopol will head south for a 4:30 p.m. matchup against Manitowoc Lutheran.
Winners will advance to Tuesday's second round, which is where Southern Door is already waiting for its matchup against the winner of Mishicot/Valders.