No. 1 Castlewood vs. No. 16 Ipswich, 5:30 p.m., CT, Watertown Civic Arena 

No. 2 Dell Rapids St. Mary vs. No. 15 Waverly-South Shore, 5:15 p.m., CT, Madison High School

No. 3 Viborg-Hurley vs. No. 14 Crazy Horse, 6 p.m., CT, Wagner, 

No. 4 Wessington Springs vs. No. 13 Timber Lake, 6 p.m., CT, Stanley County High School 

No. 5 Gregory vs. No. 12 Lyman, 7 p.m., CT, Todd County High School 

No. 6 Lemmon vs. No. 11 Aberdeen Christian, 6 p.m., MT, Faith School  

No. 7 Howard vs. No. 10 Freeman, 7 p.m., CT, Corn Palace 

No. 8 Wall vs. No. 9 Sully Buttes, 6 p.m., MT, Philip  

No. 1 Sioux Falls Christian vs. No. 16 McCook Central-Montrose, 7 p.m., CT, Harrisburg 

No. 2 Hamlin vs. No. 15 Milbank, 7:15 p.m., CT, Watertown Civic Arena

No. 3 Rapid City Christian vs. No. 14 Dell Rapids, 7 p.m., CT, Jones County High School

No. 4 West Central vs. No. 13 Hanson, 7:15 p.m., CT Madison High School

No. 5 Lennox vs. No. 12 Mobridge-Pollock, 5:30 p.m., CT, Huron Arena

No. 6 Clark/Willow Lake vs. No. 11 St. Francis, 6 p.m., CT, Miller Armory

No. 7 Hill City vs. No. 10 Cheyenne-Eagle Butte, TBD

No. 8 Groton Area vs. No. 9 Winner, 7:15 p.m., CT, Huron Arena