Here you have links to detailed information about the different teams that have appeared in the manga during the Middle School timeline, including the Junior Youth International Tournament that took place after the National Tournament.
You can also check the full list of players of this timeline here.
List of Middle School teams:
Qualified for the National Tournament
Eliminated on the Regional Qualifiers
- Nakahara (Gifu)
List of european youth teams:
List of under 15 national teams:
Here you have rankings for both the japanese school teams and the under 15 national teams: