Despite going on the road to open postseason play Monday night, Spirit Lake kept its winning streak alive with a 3-1 win over Rock Valley in the opening round of the Class 3A regional tournament in Rock Valley. The Indians fell behind following a 25-17 loss in the first set but reeled off three straight wins (25-15, 25-16 and 25-18) to push its current win streak to eight games and advance in the postseason.