Centerville 68, Irene-Wakonda 51
Freeman 66, Gayville-Volin 42
Parkston 57, Tripp-Delmont/Armour 39
Viborg-Hurley 59, Avon 39
Region 5B — Quarterfinals
Andes Central/Dakota Christian 68, Marty 67
Corsica-Stickney 42, Gregory 41
Lower Brule 68, Burke 50
Lyman 65, Mitchell Christian 29
Region 6B — Quarterfinals
Faulkton Area 67, North Central 44
Gettysburg 74, Herreid/Selby Area 48
Ipswich 57, Wakpala 39
Sully Buttes 68, Highmore-Harrold 34
Region 7B — Quarterfinals
Kadoka Area 69, Bennett County 58
New Underwood 83, Crazy Horse 46
Wall 87, Philip 54
White River 68, Jones County 58
Region 8B — Quarterfinals
Dupree 99, Takini 21
Faith 61, McLaughlin 53
Harding County 45, Lemmon 39
Timber Lake 49, Bison 21
Region 1A — Quarterfinals
Britton-Hecla 59, Aberdeen Roncalli 54
Milbank 48, Sisseton 45
Webster Area 85, Redfield 64
Region 2A — Quarterfinals
Elkton-Lake Benton 67, Great Plains Lutheran 29
Hamlin 73, Florence/Henry 33
Sioux Valley 59, Deuel 44
Region 3A — Quarterfinals
Baltic 51, Tri-Valley 45
Dell Rapids 62, Madison 61
Flandreau 71, Garretson 66
Region 4A — Quarterfinals
Dakota Valley 66, Beresford 57
Lennox 78, Canton 40
Vermillion 74, Elk Point-Jefferson 37
Region 5A — Quarterfinals
Mount Vernon/Plankinton 55, Hanson 48
Parker/Marion 68, Scotland/Menno 53
Wagner 77, Bon Homme 42
Region 6A — Quarterfinals
Chamberlain 58, Miller 49
Cheyenne-Eagle Butte 86, Crow Creek 23
Mobridge-Pollock 63, Platte-Geddes 56
Region 7A — Quarterfinals
Little Wound 68, Todd County 53
Pine Ridge 108, Lakota Tech 30. Marvin Richard III set an all time single game scoring record as he scored 73 points in the win.
Winner 46, St. Francis 27
Region 8A — Quarterfinals
Hill City 60, Hot Springs 20
Lead-Deadwood 69, Custer 51
Rapid City Christian 56, Belle Fourche 28