| # | Date | Promotion | Match |
| 1 | 27.05.1988 |  |
IWGP Junior Heavyweight Title: Owen Hart defeats Hiroshi Hase (c) (13:07) - TITLE CHANGE !!! NJPW IWGP Champion Series 1988 - Tag 5 - TV-Show @ Miyagi Prefectural Sports Center in Sendai, Miyagi, Japan |
| 2 | 08.05.1988 | |
IWGP Junior Heavyweight Title: Hiroshi Hase (c) defeats Shiro Koshinaka (18:10) NJPW Super Fight Series 1988 - Tag 22 - TV-Show @ Ariake Coliseum in Tokyo, Japan |
| 3 | 19.03.1988 | |
IWGP Junior Heavyweight Title: Hiroshi Hase (c) defeats Shiro Koshinaka (19:44) NJPW Big Fight Series 1988 - Tag 16 - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 4 | 11.03.1988 | |
IWGP Junior Heavyweight Title: Hiroshi Hase (c) defeats Nobuhiko Takada (18:57) NJPW Big Fight Series 1988 - Tag 9 - TV-Show @ Aichi Prefectural Gymnasium in Nagoya, Aichi, Japan |
| 5 | 27.12.1987 | |
IWGP Junior Heavyweight Title: Hiroshi Hase defeats Kuniaki Kobayashi (c) (17:03) - TITLE CHANGE !!! NJPW Year End in Kokugikan 1987 - TV-Show @ Ryogoku Kokugikan in Tokyo, Japan |
