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Fight Matrix

Yajuro Yamasaki

Issue Date: 11/08/2026 (Official Release: #1049)
  Yajuro Yamasaki's profile at Sherdog 

Yajuro Yamasaki's profile at Tapology 

Birth Date: 1997-05-07
Last 5: - W W W W
Association: Tribe Tokyo MMA
Pro Debut Date: 2025-09-07
Pro Record: 4-0-0
Current Ranking:
#674 Lightweight
'Big League' Record: 4-0-0
Last 3 Years: 4-0-0
Win Finish %: 25%
Combat Age: 28
Quality Perf. %: 75%
Last Quality Perf.: 2026-11-08
540 Metric: .500
Rating Points: 26
Highest Quarterly Ranking: 10/01/2026

#1043 Lightweight
Last Fight Date: 11/08/2026 [Rizin Fighting Federation]
Last Opponent: [#1146 LW] Jake Wilkins
Opponent's Last 5: W W L W L

Complete Professional MMA Fight History


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

  Opponent Outcome
W Jake Wilkins
#896 Featherweight 		TKO (Knees and Punches)
Round 1
  Rizin FF - Rizin 55
Sunday, November 8th 2026
W Satoru Kitaoka
#1151 Lightweight 		Decision (Unanimous)
Round 3
  Deep - 133 Impact
Sunday, September 13th 2026
W Ken Ura Decision (Split)
Round 2
  Deep Tokyo Impact 2026 1st Round
Monday, February 23rd 2026
W Assane Gaide Decision (Split)
Round 2
  Deep - Tokyo Impact 2025 4th Round
Sunday, September 7th 2025
  Opponent Event Outcome
W Jake Wilkins
#896 Featherweight 		  Rizin FF - Rizin 55
Sunday, November 8th 2026 		TKO (Knees and Punches)
Round 1
W Satoru Kitaoka
#1151 Lightweight 		  Deep - 133 Impact
Sunday, September 13th 2026 		Decision (Unanimous)
Round 3
W Ken Ura   Deep Tokyo Impact 2026 1st Round
Monday, February 23rd 2026 		Decision (Split)
Round 2
W Assane Gaide   Deep - Tokyo Impact 2025 4th Round
Sunday, September 7th 2025 		Decision (Split)
Round 2

Quarterly Generated Historical Rankings


Rating bar represents the fighter's standing relative to the top of the division at the time
Date ↑ ↓ Rank Record Points
10/01/2026 NR #1043 Lightweight 3-0-0
19

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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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