The 2026  Missouri high school baseball  playoffs begin with the first round of action getting underway on May 13, and High School On SI has brackets for all classifications and districts. All MSHSAA classes will play their first round games May 13-May 15, starting up the district tournaments. The first round of the Class 5 and Class 6 district championships will begin on May 18. Full brackets for each classification can be found below. 2026 Missouri High School Baseball Playoffs: District Championship Class 1-4 Brackets, Schedules, Scores (MSHSAA) - May 13-15, 2026 CLASS 1 BRACKETS District 1 (select to view full bracket details) Cooter - BYE Clarkton vs. Risco Delta vs. South Pemiscot Gideon vs. Naylor District 2 Advance - BYE Leopold vs. Delta Oran - BYE Bell City vs. Scott County Central District 3 Valle Catholic - BYE South Iron vs. Bismarck Oak Ridge - BYE Valley vs. Viburnum District 4 North Shelby - BYE Madison vs. Wellsville-Middletown Community - BYE New Haven vs.…