|Spanky||June 29, 2002||Sapporo, Japan||-a-|
|Low-Ki||September 16, 2002||Tokyo, Japan|
|Wataru Sakata||August 31, 2003||Gifu, Japan||-b-|
|Tatsuhito Takaiwa||May 16, 2004||Tokyo, Japan||-c-|
|Super Crazy||December 18, 2004||Chiba, Japan|
|Ikuto Hidaka||April 14, 2005||Tokyo, Japan|
|Takuya Sugawara||February 26, 2006||Tokyo, Japan|
|Tatsuhito Takaiwa ||July 27, 2006||Osaka, Japan||-d-|
|Minoru Fujita||August 26, 2006||Kyoto, Japan||-e-|
|Ikuto Hidaka ||January 19, 2007||Tokyo, Japan|
|Tatsuhito Takaiwa ||February 18, 2007||Tokyo, Japan||-f-|
|Dick Togo||June 20, 2007||Tokyo, Japan||-g-|
|Ikuto Hidaka ||October 26, 2007||Tokyo, Japan|
|Masaaki Mochizuki||January 23, 2008||Tokyo, Japan|
-a- Defeated Smelly to become the first champion.
-b- Vacated on April 12, 2004 to allow Sakata to participate in the Tenka-Ichi Junior Tournament.
-c- Defeated Tony Stradlin for the vacant title.
-d- Vacated on July 27, 2006 for the Tenka-Ichi Junior Tournament.
-e- Defeated Takuya Sugawara in the finals of the Tenka-Ichi Tournament for the vacant title.
-f- Vacated on May 6, 2007 due to a knee injury.
-g- Won a nine-man battle royal for the vacant title.