UFC 23: Ultimate Japan 2 was a mixed martial arts event held by the Ultimate Fighting Championship on November 19, 1999 at Tokyo Bay NK Hall in Tokyo, Japan.

UFC 23: Ultimate Japan 2
The poster for UFC 23: Ultimate Japan 2.
PromotionUltimate Fighting Championship
DateNovember 19, 1999
VenueTokyo Bay NK Hall
CityTokyo, Japan
Event chronology
UFC 22: Only One Can Be Champion UFC 23: Ultimate Japan 2 UFC 24: First Defense


UFC 23 was the second UFC event to take place in Tokyo, Japan, where the newly formed PRIDE Fighting Championships were enjoying massive success. UFC 23 was headlined by a Heavyweight Championship Title bout between Kevin Randleman and Pete Williams (mixed martial artist), held to determine the champion after Bas Rutten's retirement.

The event also featured a four-man "Japanese" tournament, held to crown the first ever UFC Japan Champion. The tournament was the first in the UFC since UFC 17, and the last one-night tournament held by the UFC (subsequent multiple-night tournaments have since taken place in 2003 at UFC 39 and UFC 41, and in 2012 at UFC on FX 2, UFC on FX 3, and UFC 152). SEG originally intended UFC Japan to be a separate company, run by local promoters, but due to mounting financial problems, a lack of cooperation from Japanese promoters, and the rise of the popular PRIDE and K-1 organizations, the idea was scrapped following UFC 25: Ultimate Japan 3.

UFC 23 was the first UFC event to not see a home video release, as SEG was nearing bankruptcy and struggling to keep the UFC alive through extremely limited pay per view in the US, as well as minor coverage in Brazil and Japan. UFC 23 has now been released as part of a DVD collection (UFC 21–30). It was also the first to feature James Werme who handled backstage interviews.

Bas Rutten announced on UFC 23 that he dropped his heavyweight championship title so he could drop down to middleweight to bring Frank Shamrock out of retirement to fight for the middleweight championship.


Main Card
Weight class Method Round Time Notes
Heavyweight Kevin Randleman def. Pete Williams Decision (unanimous) 5 5:00 [a]
Heavyweight Pedro Rizzo def. Tsuyoshi Kosaka TKO (referee stoppage due to strikes) 3 1:17
Middleweight Joe Slick def. Jason DeLucia TKO (verbal submission due to knee injury) 1 1:28
Middleweight Eugene Jackson def. Keiichiro Yamamiya KO (punch) 3 3:12
UFC Japan Middleweight Tournament Finals
Middleweight Kenichi Yamamoto def. Katsuhisa Fujii Submission (kneebar) 2 4:15
UFC Japan Middleweight Tournament Semifinals
Middleweight Katsuhisa Fujii def. Masutatsu Yano TKO (referee stoppage due to strikes) 2 3:14
Middleweight Kenichi Yamamoto def. Daiju Takase Decision (unanimous) 3 5:00

UFC Japan TournamentEdit

Semifinals Finals
Katsuhisa Fujii TKO
Masutatsu Yano 2
Katsuhisa Fujii 1
Kenichi Yamamoto SUB
Kenichi Yamamoto DEC
Daiju Takase 3

See alsoEdit

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