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Fight Matrix

Junichiro Okamoto

Issue Date: 10/11/2026 (Official Release: #1045)
  Junichiro Okamoto's profile at Sherdog 

Junichiro Okamoto's profile at Tapology 

Birth Date: 1983-05-01
Association: Yonekawa Dojo
Pro Debut Date: 2017-01-29
Pro Record: 3-6-0
Win Finish %: 100.0%
Quality Perf. %: 33.3%
Last Ranked: N/A
Highest Ranked: N/A
Last Loss Date: 7/23/2023
Last Loss: [#184 HW] Brandon Hashimoto
Opponent's Last 5: L W W W W

Complete Professional MMA Fight History


Fighter rankings represent most recent generated quarterly rating prior to the fight

  Opponent Outcome
W Mark Takahashi KO (Punches)
Round 1
  Gladiator Gladiator 036 in Osaka
Sunday, September 20th 2026
L Brandon Hashimoto TKO (Punches)
Round 1
  Grachan - Grachan 62
Sunday, July 23rd 2023
W Radek Hecl TKO (Punches)
Round 1
  Grachan - Grachan 60
Sunday, February 26th 2023
L Hidetaka Arato
#180 Heavyweight 		TKO (Punches)
Round 1
  Grachan - Grachan 56
Sunday, August 7th 2022
L Ik Tae Jin TKO
Round 1
  KAISER 03: STAND ALONE
Saturday, May 25th 2019
L Eddy Chadeyron TKO (Strikes)
Round 1
  Wardog Cage Fight 20 x GRACHAN 38
Sunday, January 27th 2019
L Dmitry Malikhin TKO (Punches)
Round 1
  RCC Boxing Promotions: RUSSIA VS JAPAN
Sunday, July 9th 2017
L Sang Il Ahn TKO
Round 1
  Gleamon FC 1
Saturday, February 25th 2017
W Gang Chul Yun TKO (Punches)
Round 1
  Grachan / WCF - Grachan 27 / Wardog Cage F...
Sunday, January 29th 2017
  Opponent Event Outcome
W Mark Takahashi   Gladiator Gladiator 036 in Osaka
Sunday, September 20th 2026 		KO (Punches)
Round 1
L Brandon Hashimoto   Grachan - Grachan 62
Sunday, July 23rd 2023 		TKO (Punches)
Round 1
W Radek Hecl   Grachan - Grachan 60
Sunday, February 26th 2023 		TKO (Punches)
Round 1
L Hidetaka Arato
#180 Heavyweight 		  Grachan - Grachan 56
Sunday, August 7th 2022 		TKO (Punches)
Round 1
L Ik Tae Jin   KAISER 03: STAND ALONE
Saturday, May 25th 2019 		TKO
Round 1
L Eddy Chadeyron   Wardog Cage Fight 20 x GRACHAN 38
Sunday, January 27th 2019 		TKO (Strikes)
Round 1
L Dmitry Malikhin   RCC Boxing Promotions: RUSSIA VS JAPAN
Sunday, July 9th 2017 		TKO (Punches)
Round 1
L Sang Il Ahn   Gleamon FC 1
Saturday, February 25th 2017 		TKO
Round 1
W Gang Chul Yun   Grachan / WCF - Grachan 27 / Wardog Cage F...
Sunday, January 29th 2017 		TKO (Punches)
Round 1

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A fighter's rank (US) state is assigned based on the state that the fighter most frequently fought in professionally, within the past three years. If there is a tie, the most recent state is used. The Win-Loss-Draw record for the fighter in the "Big Leagues". The Big Leagues refer to the top organizations based on a statistical analysis we performed. Some organizations were counted as one, due to mergers, etc. A quality performance is a fight in which the fighter fought an acceptable opponent, and substantiated their current rating (at the time) based on the outcome. At it's most basic level, one can equate "combat age" to "dog years" in that it will mirror the basic human lifecycle. With this computation, we expect fighters to hit their respective "peak" in the years that your typical adult "peaks" in life, somewhere between 25 and 40. We will expect most fighters to start their descent at some point in their 40s and be far removed from their peak by 60. This is an experimental metric that attempts to reflect a fighter's recent opposition quality. The metric goes back 1,080 days, and looks at all the fighter's opponents' W-L-D records within a window of 540 days before, and 540 days after their respective bout(s) with the fighter. All of the records are added up and the cumulative win percentage is presented by this metric in a "strength of schedule" format. These ranking sets have been generated by a recent version of the software, using recent data and will not match previously published issues of the rankings, especially since a majority of these generated sets are for dates much earlier than the site’s inception.

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