Here are the matchups for the 2021 H.S. Class B 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.
CLASS B
At Roff
Game 1: Roff vs. Cement
Game 2: Tipton vs. Turner
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 Red Oak
Game 1: Red Oak vs. Buffalo Valley
Game 2: McCurtain vs. Cameron
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 Varnum
Game 1: Varnum vs. Bluejacket
Game 2: Shidler vs. Hammon
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 Asher
Game 1: Asher vs. Leedey
Game 2: Maysville vs. Drummond
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 Tupelo
Game 1: Tupelo vs. Caney
Game 2: Kiowa vs. Moss
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 New Lima
Game 1: New Lima vs. Achille
Game 2: Mulhall-Orlando vs. Battiest
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 Whitesboro
Game 1: Whitesboro vs. Smithville
Game 2: LeFlore vs. Boswell
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 Lookeba-Sickles
Game 1: Lookeba-Sickles vs. Mountain View-Gotebo
Game 2: Granite vs. Duke
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