Scores The Japan X Bowl, played in December, is the championship game of the X League (company teams and club teams sponsored by companies). Through the 2002 season it was called Tokyo Super Bowl.

Season Japan X Bowl Winner Opponent Score 1987 Renown Rovers Asahi Beer Silver Star 31-28 1988 Renown Rovers Matsushita Denko Impulse 28-20 1989 Asahi Beer Silver Star NEC Falcons 14-9 1990 Matsushita Denko Impulse Onward Skylarks 14-6 1991 Onward Skylarks Sun Star Finies 49-10 1992 Asahi Beer Silver Star Matsushita Denko Impulse 21-7 1993 Asahi Beer Silver Star Sun Star Finies 13-0 1994 Matsushita Denko Impulse Onward Skylarks 48-28 1995 Matsushita Denko Impulse Recruit Seagulls 54-20 1996 Recruit Seagulls Onward Skylarks 30-10 1997 Kajima Deers Matsushita Denko Impulse 48-12 1998 Recruit Seagulls Asahi Beer Silver Star 45-24 1999 Asahi Beer Silver Star Kajima Deers 18-16 2000 Asahi Soft Drinks Challengers Matsushita Denko Impulse 20-18 2001 Asahi Soft Drinks Challengers Matsushita Denko Impulse 14-7 2002 Recruit Seagulls Frontiers 14-7 2003 Onward Skylarks Asahi Beer Silver Star 13-10 2004 Matsushita Denko Impulse Asahi Beer Silver Star 15-6 2005 Obic Seagulls Matsushita Denko Impulse 25-16 2006 Onward Skylarks Obic Seagulls 24-21 2007 Matsushita Denko Impulse 33-13 2008 Denko Impulse Kajima Deers 28-14 2009 Kajima Deers Fujitsu Frontiers 21-14 2010 Obic Seagulls Panasonic Denko Impulse 20-16 2011 Obic Seagulls Fujitsu Frontiers 24-17 2012 Obic Seagulls Kajima Deers 27-24 2013 Obic Seagulls Fujitsu Frontiers 24-16 2014 Fujitsu Frontiers IBM BigBlue 44-10 2015 Fujitsu Frontiers 24-21 2016 Fujitsu Frontiers Obic Seagulls 16-3 2017 Fujitsu Frontiers IBM BigBlue 63-23 2018 Fujitsu Frontiers IBM BigBlue 35-18 2019 Fujitsu Frontiers Panasonic Impulse 28-26 2020 Obic Seagulls Fujitsu Frontiers 13-7