Kaitlin Mason led with 18 points as the Zimmerman Thunder beat Southwest Christian 55-49 on Saturday in Chaska.
The junior guard sank two 3-pointers and a pair of layups after turnovers on the way to her career-high.
The Thunder (6-7) had an 18-point leaden the second half.
The young SWC squad (6-4) got as close as four points. They had a big game by junior guard Christine Piwnica, who had over 20 points (exact number not available).
Lexi Funara added 14 points for the Thunder.
Zimmerman will play Friday at St. Cloud Cathedral.