Mundelein d. Wauconda: At Steeple Chase Golf Club, Grant Heelan's even-par 36 led the Mustangs (153) past the Bulldogs (187).
Mundelein also got a 37 from Brett Cigelnik, a 39 from Derek Parola and a 41 from Dave Kreuger.
Wauconda was led by Trevor Middleton's 45.
Woodstock d. Grayslake North: At Plum Tree National Golf Club in Harvard, medalist Tyler Cundiff shot a 41 to lead the Blue Streaks (177) to victory over the Knights (185).
Sam Stanfel carded a 43 for Grayslake North.