Schaumburg 2, Hoffman Estates 1: The host Saxons made a pair of first-half goals from Emily Waterloo hold up in MSL West play.
One of Waterloo's goal was a penalty kick, and Lexi Awdziejczyk assisted on the other.
Natalie Nagrant scored in the second half for the Hawks.
Prospect 4, Highland Park 1: The Knights advanced to a morning semifinal against Moline in the State Line Challenge at Moline.
Rosie Pettenuzzo, Kim Welk, Martini Kowalczuk and Andi Marfilius had the goals. Emily Novak assisted twice, and Maggie Sullivan and Kristin Frasco had 1 each.
Hersey 9, Wheeling 0: The Huskies remained unbeaten in MSL play as Lauren Gierman scored 4 goals, Sara Magnuson had 2, and Jessica Schmidt, Morgan Harris and Emma Cooke each had 1. Hersey is 9-0 against MSL foes.