The WIAA released the playoff brackets for Division 1 and 2 on Thursday with regional action set to begin June 3.
No. 10 seeded Manitowoc Lincoln will visit No. 7 Oshkosh West in D1.
In Division 2, No. 5 Roncalli face host No. 4 Southern Door while No. 6 Valders travels to No. 3 Sturgeon Bay.
Brackets for Divisions 3-4 will be released at a later date.