Tuesday, March 8

Class A

1 Dakota Valley (22-0 vs. 16 Madison (10-12), 7 p.m. at Beresford

2 St. Thomas More (19-2) vs. 15 Stanley County (15-7), 6 p.m. at Douglas

3 Winner (21-2) vs. 14 Red Cloud (15-6), 7 p.m. at Kadoka

4 Flandreau (18-3) vs. 13 Clark-Willow Lake (15-7), 7 p.m. at Madison

5 Tea Area (16-6) vs. 12 Sioux Falls Christian (13-9), 7:30 p.m. at Sanford Pentagon

6 Groton (19-3) vs. 11 Mount Vernon-Plankinton (16-6), 7:30 p.m. at Redfield

7 Sioux Valley (17-5) vs. 10 Hanson (16-5), 6 p.m. at Sanford Pentagon

8 Rapid City Christian (17-5) vs. 9 Lakota Tech (15-5), 6:30 p.m. at Wall

Class B

1 De Smet (21-1) vs. 16 Chester Area (12-10), 7:30 p.m. at Huron

2 Lower Brule (19-3) vs 15 Viborg-Hurley (14-8), 6:30 p.m. at Chamberlain

3 White River (18-2) vs. 14 Harding County (16-5), 5:30 p.m. at Kadoka

4 Potter County (21-1) vs. 13 Ethan (16-6), 6 p.m. at Redfield

5 Aberdeen Christian (19-3) vs. 12 Lyman (16-6), 6 p.m. at Huron

6 Freeman Academy-Marion (20-2) vs. 11 Timber Lake (18-3), 7 p.m. at James Valley Christian

7 Platte-Geddes (17-5) vs. 10 Waubay-Summit (19-3), 6:30 p.m. at Sioux Falls Roosevelt

8 Burke (19-3) vs. 9 Castlewood (16-6), 6:30 p.m. at the Corn Palace in Mitchell