No. 11 Willmar (6-13) plays at No. 6 seed Buffalo (20-4) in a Section 2AAA first-round match at 7 p.m. today.
In other matches today No. 9 Mankato West is at No. 8 Minnetonka and No. 10 New Prague plays at No. 7 Prior Lake.
Winners advance to Friday's quarterfinals at the high seed.
