Gibraltar and Southern Door baseball will square off on Tuesday as Gibraltar is hoping to stay undefeated. The Vikings are 4-0 with doubleheader sweeps over Sevastopol and Algoma. Their challenger, Southern Door is 2-2 overall and 2-0 in Packerland conference play. The Eagles have non-conference losses to Denmark and Manitowoc Lincoln. Tuesday will be Southern Door’s home opener. The first of two games is scheduled to begin at 4:30 PM.