Region 1B
No. 1 Warner 64, No. 4 Britton-Hecla 31
No. 3 Northwestern 49, No. 2 Leola-Frederick Area 47
Region 2B
No. 1 Arlington 64, No. 5 Iroquois-Lake Preston 32
No. 2 James Valley Christian 57, No. 3 Deubrook Area 38
Region 3B
No. 1 Ethan 70, No. 5 Chester Area 53
No. 2 Colman-Egan 49, No. 3 Howard 43
Region 4B
No. 1 Centerville 43, No. 4 Viborg-Hurley 35
No. 3 Gayville-Volin 36, No. 2 Freeman 34
Region 5B
No. 4 Tripp-Delmont-Armour 54, No. 1 Wessington Springs 49
No. 3 Andes Central/Dakota Christian 54, No. 2 Avon 39
Region 6B
No. 1 Lyman 69, No. 5 Potter County 40
No. 3 Herreid/Selby Area 54, No. 7 Highmore/Harrold 38
Region 7B
No. 1 Wall 68, No. 4 Philip 22
No. 3 Kadoka Area 53, No. 2 White River 50
Region 8B
No. 1 Harding County 62, No. 5 Timber Lake 26
No. 2 Lemmon 50, No. 3 Faith 39
Class B SoDAK 16, Thursday, February 29
No. 1 Arlington (20-2) vs. No. 16 Gayville-Volin (15-7), 6 pm in Madison
No. 2 Harding County (21-0) vs. No. 15 Northwestern (13-9), 5 pm MT in Timber Lake
No. 3 Centerville (20-2) vs. No. 14 Tripp-Delmont/Armour (13-9), 7 pm in Irene-Wakonda
No. 4 Ethan (19-2) vs. No. 13 Andes Central/Dakota Christian (14-8), 7 pm in Parkston
No. 5 Wall (18-4) vs. No. 12 Colman-Egan (15-7), 5:30 pm CT in Stanley County
No. 6 Warner (20-2) vs. No. 11 Herreid/Selby Area (15-7), 7 pm in Ipswich
No. 7 Lyman (19-2) vs. No. 10 Kadoka Area (15-6), 7 pm in Jones County
No. 8 Lemmon (19-3) vs. No. 9 James Valley Christian (15-6) 6:30 pm in Gettysburg