| # | Date | Promotion | Match |
| 1 | 04.01.2005 |  |
IWGP U-30 Openweight Title: Shinsuke Nakamura defeats Hiroshi Tanahashi (c) (24:45) - TITLE CHANGE !!! NJPW Toukon Festival - Wrestling World 2005 - TV-Show @ Tokyo Dome in Tokyo, Japan |
| 2 | 24.10.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats American Dragon (16:16) NJPW Tsuyoku-Are ~ Toukon Series 2004 - Tag 10 ~ Strong Conviction In Kobe - TV-Show @ World Hall in Kobe, Hyogo, Japan |
| 3 | 19.07.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Toru Yano (1:24) NJPW Summer Struggle 2004 - Tag 10 - TV-Show @ Tsukisamu Green Dome in Sapporo, Hokkaido, Japan |
| 4 | 19.07.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Toru Yano by DQ (8:51) NJPW Summer Struggle 2004 - Tag 10 - TV-Show @ Tsukisamu Green Dome in Sapporo, Hokkaido, Japan |
| 5 | 13.05.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Ryusuke Taguchi (12:01) NJPW Toukon Saizensen - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 6 | 28.03.2004 | |
U-30 Openweight Title Cage: Hiroshi Tanahashi (c) defeats Kazunari Murakami by KO (12:40) NJPW King Of Sports - Pay Per View @ Ryogoku Kokugikan in Tokyo, Japan |
| 7 | 28.01.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Masayuki Naruse (15:58) NJPW Fighting Spirit 2004 - Tag 1 - TV-Show @ Korakuen Hall in Tokyo, Japan |
| 8 | 04.01.2004 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Yutaka Yoshie (17:06) NJPW Wrestling World 2004 - TV-Show @ Tokyo Dome in Tokyo, Japan |
| 9 | 09.12.2003 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Naomichi Marufuji (19:52) NJPW Battle Final 2003 - Tag 12 - TV-Show @ Osaka Prefectural Gymnasium in Osaka, Japan |
| 10 | 29.11.2003 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Blue Wolf (15:45) NJPW Battle Final 2003 - Tag 5 - Event @ Miyagi Sports Center in Sendai, Miyagi, Japan |
| 11 | 03.11.2003 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats TOA (8:33) NJPW Yokohama Dead Out - Pay Per View @ Yokohama Arena in Yokohama, Kanagawa, Japan |
| 12 | 28.08.2003 | |
U-30 Openweight Title Hair vs. Mask: Hiroshi Tanahashi (c) defeats Makai #2 (11:10) NJPW Osaka Dream Night - Pay Per View @ Osaka Prefectural Gymnasium in Osaka, Japan |
| 13 | 21.07.2003 | |
U-30 Openweight Title: Hiroshi Tanahashi (c) defeats Katsuyori Shibata (9:07) NJPW Summer Struggle 2003 - Tag 14 - Pay Per View @ Tsukisamu Green Dome in Sapporo, Hokkaido, Japan |
| 14 | 23.04.2003 | |
U-30 Openweight Title G2 U-30 Climax Final Match (vakant): Hiroshi Tanahashi defeats Shinya Makabe (12:44) - TITLE CHANGE !!! NJPW Strong Energy 2003 - Tag 5 - TV-Show @ Sun Plaza in Hiroshima, Japan |
