Karli Nixon had 19 of her team high 22 points to lead the Rangers. Lily Peterson added 16 and Tori Decent had 15. C-I hit 6 3-pointers and made 14-of-15 free throw attempts.
Wadena-Deer Creek received 27 points from Madison Carsten and 9 points from Kennedy Gravelle and Laura Krause.
The Wolverines (6-6) will play at Menahga on Tuesday night.
Crosby-Ironton (9-3) will play at Detroit Lakes on Tuesday.