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Fight Matrix
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Kazumasa Tsubouchi

  Kazumasa Tsubouchi's profile at Sherdog 

Kazumasa Tsubouchi's profile at Tapology 

Birth Date: 1991-09-23
Association: Cobra Kai MMA Dojo
Pro Debut Date: 2019-04-28
Pro Record: 5-4-0
Win Finish %: 40.0%
Quality Perf. %: 33.3%
Last Ranked: N/A
Highest Ranked: N/A
Last Loss Date: 1/22/2023
Last Loss: [NR] Rikuto Nakayama

Complete Professional MMA Fight History
Fighter rankings represent most recent generated quarterly rating prior to the fight

  Opponent Outcome
W Jyunan Koga Decision (Unanimous)
Round 2
  Gladiator - Gladiator 030 in Osaka
Sunday, April 6th 2025
W Hyuga Miyagawa Decision (Unanimous)
Round 2
  Gladiator - Gladiator 023 in Osaka
Saturday, September 30th 2023
L Rikuto Nakayama
#585 Flyweight 		Decision (Unanimous)
Round 2
  Gladiator - Gladiator 020 in Osaka
Sunday, January 22nd 2023
L Satoshi Miyokawa Submission (Rear-Naked Choke)
Round 1
  Gladiator - Gladiator 018 in Osaka
Sunday, June 26th 2022
L Tetsuo Nakanishi
#296 Flyweight 		Submission (Rear-Naked Choke)
Round 1
  Gladiator - Gladiator 016 in Osaka
Sunday, January 23rd 2022
W Masashi Michibata Decision (Unanimous)
Round 2
  Gladiator - Gladiator 014 in Osaka
Sunday, June 27th 2021
W Arata Ueki KO (Punch)
Round 2
  Gladiator - Gladiator 013 in Osaka
Sunday, February 7th 2021
W Yuki Tashiro Submission (Rear Naked Choke)
Round 1
  Pancrase - 316
Friday, July 24th 2020
L Shogo Nagaya Submission (Rear Naked Choke)
Round 2
  Deep - Cage Impact 2019 in Osaka
Sunday, April 28th 2019
  Opponent Event Outcome
W Jyunan Koga   Gladiator - Gladiator 030 in Osaka
Sunday, April 6th 2025 		Decision (Unanimous)
Round 2
W Hyuga Miyagawa   Gladiator - Gladiator 023 in Osaka
Saturday, September 30th 2023 		Decision (Unanimous)
Round 2
L Rikuto Nakayama
#585 Flyweight 		  Gladiator - Gladiator 020 in Osaka
Sunday, January 22nd 2023 		Decision (Unanimous)
Round 2
L Satoshi Miyokawa   Gladiator - Gladiator 018 in Osaka
Sunday, June 26th 2022 		Submission (Rear-Naked Choke)
Round 1
L Tetsuo Nakanishi
#296 Flyweight 		  Gladiator - Gladiator 016 in Osaka
Sunday, January 23rd 2022 		Submission (Rear-Naked Choke)
Round 1
W Masashi Michibata   Gladiator - Gladiator 014 in Osaka
Sunday, June 27th 2021 		Decision (Unanimous)
Round 2
W Arata Ueki   Gladiator - Gladiator 013 in Osaka
Sunday, February 7th 2021 		KO (Punch)
Round 2
W Yuki Tashiro   Pancrase - 316
Friday, July 24th 2020 		Submission (Rear Naked Choke)
Round 1
L Shogo Nagaya   Deep - Cage Impact 2019 in Osaka
Sunday, April 28th 2019 		Submission (Rear Naked Choke)
Round 2



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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