Here are the matchups for the 2021 H.S. Class A spring baseball regional playoffs (with scores updated). Each regional tournament is double-elimination with one team advancing to state from each of the eight brackets to be played April 29-May 1.
At Canute
Game 1: Canute 16, Oklahoma Bible 2
Game 2: Hollis 12, Calumet 10
Game 3: Canute vs. Hollis
Game 4: Oklahoma Bible vs. Calumet
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Fort Cobb-Broxton
Game 1: Fort Cobb-Broxton vs. Snyder
Game 2: Ripley vs. Union City
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Rattan
Game 1: Rattan vs. Stuart
Game 2: Clayton vs. Elmore City-Pernell
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Wister
Game 1: Wister vs. Regent
Game 2: Gore vs. Crowder
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Sterling
Game 1: Sterling vs. Velma-Alma
Game 2: Shattuck vs. Empire
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Vici
Game 1: Vici vs. Seiling
Game 2: Mooreland vs. Navajo
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Wright City
Game 1: Wright City vs. Caddo
Game 2: Stonewall vs. Dewar
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary
At Pioneer-Pleasant Vale
Game 1: Pioneer-Pleasant Vale vs. Davenport
Game 2: Arapaho-Butler vs. Tushka
Game 3: Game 1 Winner vs. Game 2 Winner
Game 4: Game 1 Loser vs. Game 2 Loser
Game 5: Game 3 Loser vs. Game 4 Winner
Game 6: Game 3 Winner vs. Game 5 Winner
Game 7: If necessary