The Pioneers broke away from a 21-21 halftime tie with a 9-1 run and never trailed again. Holly Kaiser had three baskets, and Lisa Grantman drained a three-point shot to account for those nine points.
Kaiser led all scorers with 23 points and grabbed 11 rebounds. Grantman and Jena Dietzman each had 10 rebounds, as the Pioneers enjoyed a 52-36 advantage on the boards.
The Spartans, who were held to 22.6 percent from the field, were led by Taylor FOltz's 10 points.
UWP improved to 2-2, while the Spartans fell to 1-2. The Pioneers face Loras Saturday at 1 p.m. at UD.