The Zimmerman Thunder, seeded No. 2 in their section, rolled past Blake 25-14, 25-11, 25-13 in their playoff opener on Tuesday evening at home.
The Thunder (19-7) will host No. 7 Rockford (7-18) Tuesday in the second round of the 15-team Section 5AA tournament.
Top seed is Maple Lake (16-11), which beat the Thunder 3-0 on Aug. 30.
Blake finished the season 0-24.
Brooke Borchardt made 9 kills, Nikki O’Keefe 4 and Cassie Ortberg 2 for the Thunder. Amanda Meleen put up 17 assists. Meleen made 6 digs and O’Keefe, Morgan Feldick and Ortberg 5 each.