2025 Summer Koshien - Tohoku Tournaments

• Tournament Dates: July 10-22, 2025

Source: (pdf) Akita Highschool Baseball Federation 

• Bracket Drawing: June 26, 2025

• Opening Ceremony: July 11, 2025

• Opening Rounds: July 12-18, 2025

• Quarterfinals: July 19-20, 2025

• Semifinals & Final: 23-24, 2025 Haruka Yume Stadium はるか夢球場 (Hirosaki City)

Source: Sportsbull.jp 

• Tournament Dates: July 11-26, 2025

Source: Fukushima Minpo News 

• Bracket Drawing: June 26, 2025

• Tournament Dates: July 9-24, 2025

Source: (pdf) Iwate Highschool Baseball Federation 

• Bracket Released: June 24, 2025

• Tournament Dates: July 6-23, 2025

• Final will be at Rakuten Mobile Park Miyagi

Source: Miyagi High School Baseball Federation 

• Bracket Drawing: June 26, 2025

• Tournament Begins: July 10, 2025

• Final: July 26th, 2025

Source: Asahi Shimbun