St. Thomas went 2-0 on the day in Waverly, Iowa, capped by a 3-2 defeat of host Wartburg. Earlier, Coach Thanh Pham's Tommies scored a 3-0 win over Nebraska Wesleyan.
The Toms (18-7), have won nine of their last 11 matches. They topped Wartburg 25-17, 25-18, 18-25, 24-26, 15-9. Katharine Mallak had 44 assists. Madie Kroehler had 16 kills and 28 digs. Grace Bordson added 10 kills and four blocks. Audrey Erickson had 14 kills. Ellie Meyer had 29 digs.
St. Thomas plays Friday night at Bethel and Saturday at St. Mary's.