| # | Date | Promotion | Match |
| 1 | 29.12.2006 |  |
KO-D Openweight Title: HARASHIMA defeats Toru Owashi (c) (18:04) - TITLE CHANGE !!! DDT Never Mind 2006 - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 2 | 27.08.2006 | |
KO-D Openweight Title: Toru Owashi (c) defeats KUDO (18:02) DDT Dramatic Style 2006 - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 3 | 25.06.2006 | |
KO-D Openweight Title: Toru Owashi (c) defeats Poison Sawada JULIE (17:37) DDT King Of DDT 2006 - TV-Show @ Shinjuku FACE in Tokyo, Japan |
| 4 | 02.04.2006 | |
KO-D Openweight Title: Toru Owashi defeats Danshoku Dino (c) (16:11) - TITLE CHANGE !!! DDT After Aprilfool 2006 - TV-Show @ Korakuen Hall in Tokyo, Japan |
