The South Dakota boys state basketball tournaments opened Thursday at three sites with one top seed sidelined early. Huron had only one loss on the season before losing to Sioux Falls Lincoln in the Class AA opener.

First Round
State AA Tournament

Rapid City Stevens 72, Sturgis 48

Sioux Falls Lincoln 62, Huron 57

Sioux Falls Roosevelt 59, Yankton 53

Sioux Falls Washington 63, Pierre 50

State A Tournament

Madison 67, Tri-Valley 38

Sisseton 50, Sioux Valley 37

St. Thomas More 41, Cheyenne-Eagle Butte 25

Tea Area 70, Pine Ridge 69

State B Tournament

Ethan 73, White River 62

James Valley Christian 85, Centerville 68

Platte-Geddes 58, Langford 50

Potter County 61, Faith 58