It was opening day Thursday for the South Dakota high school boys basketball tournament with action at three venues across the state.

State AA Tournament
First Round

Rapid City Stevens 59, Aberdeen Central 38

Sioux Falls Lincoln 58, Watertown 38

Sioux Falls O’Gorman 56, Pierre 49

Sioux Falls Washington 60, Huron 40

State A Tournament
First Round

Aberdeen Roncalli 48, Lennox 33

Little Wound 60, Clark/Willow Lake 54

Winner 54, St. Thomas More 42

Dell Rapids 65 Mount Vernon-Plankinton 46

State B Tournament
First Round

Hanson 56, Wolsey-Wessington 55

Hitchcock-Tulare 54, Faith 40

Langford 49, Gregory 36

White River 61, Parker 57