Upper Clutha stunned many fans when it hammered Clyde-Earnscleugh 44-0 in Wanaka.
Winning just its third game of the season, Upper Clutha dominated from the onset, as the playing conditions seemed to affect the visitor.
Seven tries were notched up. George Reid and Byron Clarke each bagged a double.
Centres Tom Hudson and Alan Dunn also crossed and Tane Tawera was rewarded with a try after another impressive match.