| # | Date | Promotion | Match |
| 1 | 10.12.1999 |  |
IWGP Heavyweight Title: Genichiro Tenryu defeats Keiji Muto (c) (26:32) - TITLE CHANGE !!! NJPW Battle Final 1999 - Tag 17 - TV-Show @ Osaka Prefectural Gymnasium in Osaka, Japan |
| 2 | 11.10.1999 | |
IWGP Heavyweight Title: Keiji Muto (c) defeats Manabu Nakanishi (20:00) NJPW Final Dome 1999 - TV-Show @ Tokyo Dome in Tokyo, Japan |
| 3 | 20.07.1999 | |
IWGP Heavyweight Title: Keiji Muto (c) defeats Satoshi Kojima (23:10) NJPW Summer Struggle 1999 - Tag 21 - TV-Show @ Nakajima Sports Center in Sapporo, Hokkaido, Japan |
| 4 | 03.05.1999 | |
IWGP Heavyweight Title: Keiji Muto (c) defeats Genichiro Tenryu (25:37) NJPW Strong Energy 1999 - Tag 14 - TV-Show @ Fukuoka International Center in Fukuoka, Japan |
| 5 | 10.04.1999 | |
IWGP Heavyweight Title: Keiji Muto (c) defeats Don Frye (12:16) NJPW Strong Style Symphony - New Japan Spirit 1999 - TV-Show @ Tokyo Dome in Tokyo, Japan |
| 6 | 14.02.1999 | |
IWGP Heavyweight Title: Keiji Muto (c) defeats Kensuke Sasaki by referee's decision (28:09) NJPW Fighting Spirit 1999 - Tag 15 ~ St. Valentine's Day's Massacre - TV-Show @ Nippon Budokan in Tokyo, Japan |
| 7 | 04.01.1999 | |
IWGP Heavyweight Title: Keiji Muto defeats Scott Norton (c) (19:01) - TITLE CHANGE !!! NJPW Wrestling World In Tokyo Dome 1999 - TV-Show @ Tokyo Dome in Tokyo, Japan |
