Ripon in Friday night's NCAA women's basketball playoff game at Schoenecker Arena.
St. Thomas (27-1) received nine treys from seven different players and ran their season win streak to 17 and their home win streak to 24.
Coach Ruth Sinn's Tommies shot 55 percent from the floor and had only nine turnovers. They made 5-of-6 shots behind the arc in the final 14:00 of play to blow open a competitive game. The Toms survived a cold night at the foul line as they converted just 17-of-31.
Catie Carpenter scored 16 points to lead the Redhawks (19-9). Maggie Oimoen added 11 points and seven boards.
Spaulding scored 22 points in the first half, but the Redhawks stayed within 40-29 at the break.
The Tommies play at home again aganst Wisconsin Lutheran Saturday at 7 p.m. in round two. Wisconsin Lutheran (27-1) surprised No. 17-ranked Illinois Wesleyan in Friday's first game, 48-40, behind Amanda Brug's 15 points.