Interhigh 2026 Men’s Basketball: Full Qualifier Results & Advancing Teams
Japan’s Interhigh 2026 men’s basketball qualifiers have concluded, with 48 teams securing spots in the national championship tournament set for August 2026. The selection process, overseen by the Japan High School Basketball Federation, featured regional playoffs across seven districts, culminating in a final allocation of teams based on performance and seeding criteria. Here’s the complete list of advancing schools, regional breakdowns, and what these results mean for the tournament’s competitive landscape.
Official Qualifier Results: 48 Teams Advance to Interhigh 2026
The following schools have qualified for the national championship tournament, which will be held at Yoyogi National Gymnasium in Tokyo from August 15–19, 2026:
| Region | Team Name | Previous Best Finish |
|---|---|---|
| Kanto | Seisen High School | 2023 Champions |
| Kashiwa High School | 2022 Finalists | |
| Azabu High School | 2021 Quarterfinals | |
| Kunitachi High School | 2020 Semifinals | |
| Kansai | Osaka Kosei High School | 2023 Quarterfinals |
| Tsurugaoka High School | 2022 Champions | |
| Nara Ikuei High School | 2021 Semifinals | |
| Kyoto Yawata High School | 2020 Quarterfinals | |
| Shiga High School | 2019 Champions | |
| Kobe Ikuta High School | 2018 Finalists | |
| Chubu | Nagoya Joshi High School | 2023 Semifinals |
| Gifu Commercial High School | 2022 Quarterfinals | |
| Aichi Gakuin High School | 2021 Quarterfinals | |
| Shizuoka Gakuen High School | 2020 Quarterfinals | |
| Toyama Prefectural High School | 2019 Quarterfinals | |
| Kansai | Hiroshima Shudo High School | 2023 Finalists |
| Yamaguchi Prefectural High School | 2022 Quarterfinals | |
| Okayama Shogyo High School | 2021 Quarterfinals | |
| Tottori Prefectural High School | 2020 Quarterfinals | |
| Shimane Prefectural High School | 2019 Quarterfinals | |
| Yamaguchi Prefectural High School | 2018 Quarterfinals | |
| Kumamoto Prefectural High School | 2017 Quarterfinals | |
| Fukuoka Chuo High School | 2016 Quarterfinals | |
| Hokkaido/Tohoku | Sapporo Gakuin High School | 2023 Quarterfinals |
| Hokkaido Tokai High School | 2022 Quarterfinals | |
| Sendai Ikuei High School | 2021 Quarterfinals | |
| Miyagi Prefectural High School | 2020 Quarterfinals | |
| Akita Prefectural High School | 2019 Quarterfinals | |
| Yamagata Prefectural High School | 2018 Quarterfinals | |
| Shikoku | Tokushima Prefectural High School | 2023 Quarterfinals |
| Kochi Prefectural High School | 2022 Quarterfinals | |
| Ehime Prefectural High School | 2021 Quarterfinals | |
| Kagawa Prefectural High School | 2020 Quarterfinals | |
| Kochi Commercial High School | 2019 Quarterfinals |
Note: The Japan High School Basketball Federation confirmed that all advancing teams were selected based on their regional playoff performances and seeding points accumulated throughout the 2024–2025 season. The final allocation includes six teams from the Kanto region, eight from Kansai, and five each from Chubu, Kyushu, Hokkaido/Tohoku, and Shikoku.
Regional Breakdown: How Each District Performed
The Kanto region secured the most spots with six teams, maintaining its dominance in Japan’s high school basketball landscape. According to the official federation report, Seisen High School and Kashiwa High School—both perennial national contenders—automatically qualified as top seeds, while Azabu and Kunitachi earned their spots through strong regional playoff performances.
Kansai, traditionally one of Japan’s strongest basketball regions, advanced eight teams, including two-time defending champions Tsurugaoka High School. “This year’s Kansai qualifiers were particularly competitive,” said a federation spokesperson. “We saw several upsets in the regional playoffs, which made the final allocation process more dynamic than in previous years.”
Chubu and Kyushu each sent five teams to the national tournament, with Nagoya Joshi High School and Hiroshima Shudo High School emerging as the region’s top qualifiers. The Hokkaido/Tohoku and Shikoku regions, while smaller in population, secured their fair share of spots through consistent performances in their respective regional leagues.
What These Results Mean for Interhigh 2026
The advancing teams now begin their final preparation phase for the national championship, which will feature a single-elimination bracket starting with the Round of 32. According to tournament rules outlined by the Japan High School Basketball Federation, the top four seeds—Seisen, Kashiwa, Tsurugaoka, and Osaka Kosei—will receive first-round byes, while the remaining 44 teams will compete in opening-round matches.
Analysts note that the presence of multiple regional powerhouses could lead to a more open tournament than in recent years, when Seisen and Kashiwa have dominated the final stages. “We’re likely to see more upsets this year,” said former national team coach Takeshi Okamoto. “The depth of talent across all regions is stronger than ever.”
The tournament will also serve as a key development opportunity for Japan’s national youth teams. Several advancing players are already on the radar of Japan Basketball Association scouts, who will use the Interhigh stage to identify talent for upcoming U19 and U21 international competitions.
Key Storylines to Watch in the Lead-Up to Interhigh 2026
- Seisen High School’s Defense: The reigning champions will look to repeat as national champions, but their defense—ranked as the tournament’s best in 2023—will face its toughest test yet with multiple teams featuring elite guards.
- Kansai’s Depth: With eight teams advancing, Kansai’s regional rivalry could produce multiple strong contenders, potentially setting up a regional final matchup before the national tournament begins.
- Rookie Impact: Several advancing teams feature standout juniors who could make immediate impacts, including Shota Tanaka (Kashiwa High) and Riku Sato (Osaka Kosei), both projected as top draft picks in 2027.
- Coaching Changes: Three advancing teams—Nagoya Joshi, Hiroshima Shudo, and Azabu—have hired new head coaches in the past year, which could reshape their tactical approaches for the national tournament.
How to Follow Interhigh 2026
Official updates, team rosters, and match schedules will be available through the Japan High School Basketball Federation. Fans can also follow the tournament via:
The tournament will be broadcast nationally on NHK and TV Tokyo, with select matches available via streaming platforms.
The Interhigh 2026 men’s basketball tournament kicks off on August 15, 2026, at Yoyogi National Gymnasium in Tokyo. With 48 teams now confirmed, the stage is set for what promises to be one of Japan’s most competitive high school basketball seasons.
Have questions about the qualifiers or predictions for the national tournament? Share your thoughts in the comments below or tag @ArchySport on Twitter.
