Stevenson and Grayslake North met on the softball field for the first time ever Friday.
They might have to play each other more often after host Grayslake North won 4-3 in what Stevenson coach Larry Friedrichs called a well-played game.
Kayla Switalla's RBI single with two out in the bottom of the eighth inning won the nonconference game.
Maddie Terlap went 2-for-3 for the Knights, while Nikki Livengood had a double and 2 RBI.
Stevenson (13-12) got a pair of doubles from Lexi Yonkovic, who scored twice, walked and drove in a run. Abby O'Connor went 3-for-4 for the Patriots, who stranded 12 runners, including three in both the third and eighth innings.
Carmel 18, Highland Park 3: Jenny Behan homered and knocked in 3 runs, and Claire Petrus was 3-for-4 with 3 RBI, as the Corsairs coasted in the nonconference game.
Carmel (18-7) received 2 hits apiece from Sarah Koesser, Sam Melillo, Amanda Elert (double), Abby Andrejek (4 RBI), Dani Delozier (double) and Kathleen Felicelli.
Starting pitcher Nicole Bitter struck out five and allowed 1 hit in 2 innings for the win.
Mundelein 3, Vernon Hills 1: The Mustangs scored 3 runs in the top of the seventh inning to pull out the North Suburban Conference crossover.
Winning pitcher Erin Kennelly struck out three and allowed 4 hits, as Mundelein improved to 22-7.
Vernon Hills (5-12) got a single and an RBI from Steffany Froman.