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Jyunan Koga

  Jyunan Koga's profile at Sherdog 

Jyunan Koga's profile at Tapology 

Association: Style
Pro Debut Date: 2021-11-21
Pro Record: 4-7-0
Win Finish %: 25.0%
Quality Perf. %:
Last Ranked: N/A
Highest Ranked: N/A
Last Loss Date: 4/06/2025
Last Loss: [NR] Kazumasa Tsubouchi

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

  Opponent Outcome
L Sota Noguchi Decision (Split)
Round 2
  Gladiator - Gladiator 032 in Osaka
Sunday, September 21st 2025
L Hanfei Cheng
#677 Bantamweight 		TKO (Elbows and Punches)
Round 2
  WKG & M-1 Global - MMA Fight in Zhaosu
Saturday, July 12th 2025
L Kazumasa Tsubouchi Decision (Unanimous)
Round 2
  Gladiator - Gladiator 030 in Osaka
Sunday, April 6th 2025
W Yusuke Yagi Submission (Keylock)
Round 1
  Gladiator - Gladiator 029 in Osaka
Sunday, January 12th 2025
W Kota Fujiwara Decision (Unanimous)
Round 2
  Gladiator - Gladiator 028 in Osaka
Sunday, October 6th 2024
L Masateru Sawada Submission (Rear-Naked Choke)
Round 1
  Gladiator - Gladiator 027 in Osaka
Sunday, July 7th 2024
W Yoshiki Tanaka
#771 Flyweight 		Decision (Unanimous)
Round 2
  Gladiator - Gladiator 026 in Osaka
Sunday, May 5th 2024
L Hyuga Miyagawa TKO (Punches)
Round 2
  Gladiator - Gladiator 024 in Osaka
Saturday, December 9th 2023
L Rikuto Nakayama Submission (Armbar)
Round 1
  Gladiator - Gladiator 023 in Osaka
Saturday, September 30th 2023
W Yuto Hirose Decision (Unanimous)
Round 2
  Gladiator - Gladiator 022 in Osaka
Sunday, June 11th 2023
L Takuro Fukuda Decision (Unanimous)
Round 2
  Deep - Osaka Impact 2021 1st Round
Sunday, November 21st 2021
  Opponent Event Outcome
L Sota Noguchi   Gladiator - Gladiator 032 in Osaka
Sunday, September 21st 2025 		Decision (Split)
Round 2
L Hanfei Cheng
#677 Bantamweight 		  WKG & M-1 Global - MMA Fight in Zhaosu
Saturday, July 12th 2025 		TKO (Elbows and Punches)
Round 2
L Kazumasa Tsubouchi   Gladiator - Gladiator 030 in Osaka
Sunday, April 6th 2025 		Decision (Unanimous)
Round 2
W Yusuke Yagi   Gladiator - Gladiator 029 in Osaka
Sunday, January 12th 2025 		Submission (Keylock)
Round 1
W Kota Fujiwara   Gladiator - Gladiator 028 in Osaka
Sunday, October 6th 2024 		Decision (Unanimous)
Round 2
L Masateru Sawada   Gladiator - Gladiator 027 in Osaka
Sunday, July 7th 2024 		Submission (Rear-Naked Choke)
Round 1
W Yoshiki Tanaka
#771 Flyweight 		  Gladiator - Gladiator 026 in Osaka
Sunday, May 5th 2024 		Decision (Unanimous)
Round 2
L Hyuga Miyagawa   Gladiator - Gladiator 024 in Osaka
Saturday, December 9th 2023 		TKO (Punches)
Round 2
L Rikuto Nakayama   Gladiator - Gladiator 023 in Osaka
Saturday, September 30th 2023 		Submission (Armbar)
Round 1
W Yuto Hirose   Gladiator - Gladiator 022 in Osaka
Sunday, June 11th 2023 		Decision (Unanimous)
Round 2
L Takuro Fukuda   Deep - Osaka Impact 2021 1st Round
Sunday, November 21st 2021 		Decision (Unanimous)
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.

Current MMA Rankings

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