Extraliga U17 (CZE)

Since 2009/10 season, played with 24 teams divided into three groups. These groups are later split to halves, with top half teams playing each other in Group A, having already secured playoffs, and bottom half teams forming Group B. Top four teams from Group B fill the remaingin four playoff spots.

Winners of quarterfinals advance to the Final tournament played as a single round robin series at a chosen venue.

Bottom team from Group B is relegated.

• from 1993 to 2018: Extraliga U18 (CZE)
• from 2018 to present: Extraliga U17 (CZE)

• 2010-2011: PSG Zlin
• 2009-2010: HC Slavia Praha
• 2008-2009: HC Slavia Praha
• 2007-2008: HC Lasselsberger Plzen
• 2006-2007: HC Hamé Zlin
• 2005-2006: HC Vitkovice Steel
• 2004-2005: HC Slavia Praha
• 2003-2004: HC Slavia Praha
• 2002-2003: HC Vagnerplast Kladno
• 2001-2002: HC Ocelari Trinec
• 2000-2001: HC Slavia Praha
• 1999-2000: HC Ceske Budejovice