Warren d. Grant: At Fox Lake Country Club, Jack Hansen's 1-under-par 35 led the Blue Devils (157) to the North Suburban Conference win.
Hansen was the only golfer to break 40. Warren also counted Mike Balla's 40, T.J. Collins' 41 and Jason Sachs' 41.
Grant (192) was led by Austin Basala's 44.
Lake Zurich d. Wauconda: At Countryside Golf Club, Teddy Noll shot a match-best 42 and led the Bears (175) to a 5-stroke win.
Brent Rogers and Tommy Greco had 44s for Lake Zurich, while Jacob Edwards carded a 45.
Wauconda (180) received 43s from Brad Efflandt and Brian Nee.
Hampshire d. Grayslake North: At Renwood Golf Course, Myles Miller IV shot a 37 to lead the Whip-Purs (155) in Fox Valley Conference action.
Christian DiBerardino fired a 38 for Grayslake North (170).