The Union Knights opened postseason play at home against Vinton-Shellsburg on February 11, using a suffocating defense to cruise to a 43-19 win over the Vikettes. The victory improved the Knights record to 20-2 on the season. It also marked the seventh time this season Union has held an opponent under 20 points.

Union will host Monticello (14-8) on February 15 in the Region 6 semi-final game, with the winner to face Camanche or Davenport Assumption on Saturday for a spot in the Class 3A State Tournament.