Class AA – Friday, March 3
1. SF Washington (17-3) vs. 16. SF Roosevelt (1-19)
8. Watertown (11-9) vs. 9. SF Lincoln (8-12)
4. SF Jefferson (16-4) vs. 13. Aberdeen Central (7-11)
5. Brandon Valley (15-5) vs. 12. Mitchell (8-12)
3. O’Gorman (16-4) vs. 14. RC Central (6-14)
6. Harrisburg (15-5) vs. 11. Spearfish (9-10)
2. Pierre (17-3) vs. 15. Brookings (5-15)
7. RC Stevens (13-7) vs. 10. Huron (9-11)
Class A – Thursday, March 2
1. Hamlin (21-0) vs. 16. Milbank (14-7) – Watertown Civic Arena, 7 pm
8. RC Christian (18-4) vs. 9. Miller (18-4) – Philip, 6 pm MT
4. Red Cloud (19-2) vs. 13. Garretson (15-7) – Winner High School, 6 pm
5. St. Thomas More (17-4) vs. 12. Flandreau (18-4) – Pierre High School, 6 pm
3. SF Christian (20-2) vs. 14. Lennox (16-6) – Harrisburg High School, 7 pm
6. Lakota Tech (18-4) vs. 11. Dupree (17-5) – RC Central High School, 6 pm MT
2. Wagner (21-1) vs. 15. Tea Area (13-9) – Corn Palace, 6 pm on Q-107 and Q107Radio.com
7. Sisseton (19-2) vs. 10. Parkston (16-6) – Sioux Valley High School, 7 pm on KORN News Radio FM 101.3/AM 1490
Class B – Thursday, March 2
1. Wolsey-Wessington (20-2) vs. 16. Leola/Frederick (16-6) – Huron Arena, 6 pm
8. Jones County (17-4) vs. 9. Centerville (17-5) – Chamberlain Armory, 6 pm
4. Sully Buttes (19-3) vs. 13. Harding County (14-8) – Mobridge High School, 7 pm
5. Wall (17-5) vs. 12. Warner (16-6) – Stanley County High School, 6:30 pm
3. Viborg-Hurley (19-3) vs. 14. Lyman (14-7) – McCook Central, 6 pm
6. Howard (18-4) vs. 11. Wessington Springs (16-6) – Huron Arena, 7:30 pm on KORN Country 92.1
2. Ethan (19-2) vs. 15. Corsica-Stickney (13-8) – Corn Palace, 7:30 pm on Q-107 and Q107Radio.com
7. Castlewood (15-7) vs. 10. Timber Lake (16-5) – Redfield High School, 6 pm