| # | Date | Promotion | Match |
| 1 | 17.04.2004 |  |
OPW Title: Daio QUALLT defeats Takehiro Murahama (c) (13:56) - TITLE CHANGE !!! Osaka Pro Osaka Pro Story #23 - TV-Show @ Osaka IMP Hall in Osaka, Japan |
| 2 | 21.12.2003 | |
OPW Title: Takehiro Murahama (c) defeats Big Boss MA-G-MA (19:28) Osaka Pro Osaka Pro Story #22 - TV-Show @ Osaka IMP Hall in Osaka, Japan |
| 3 | 24.11.2003 | |
OPW Title: Takehiro Murahama (c) defeats Takaku Fuke (8:15) Osaka Pro Tokyo Holiday Paradise - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 4 | 30.08.2003 | |
OPW Title: Takehiro Murahama (c) defeats Billy Ken Kid (16:28) Osaka Pro Saturday Night Story - Event @ Osaka Delfin Arena at Festival Gate in Osaka, Japan |
| 5 | 06.07.2003 | |
OPW Title Tournament Final Match (vakant): Takehiro Murahama defeats Tsubasa (10:07) - TITLE CHANGE !!! Osaka Pro Osaka Pro Story #18 - TV-Show @ Nanba Mother Hall in Osaka, Japan |
