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Fight Matrix

Genpei Hayashi

Issue Date: 6/15/2026 (Official Release: #1028)
  Genpei Hayashi's profile at Sherdog 

Genpei Hayashi's profile at Tapology 

Birth Date: 1989-11-09
Last 5: W W L L W
Association: Iggy Hand's Gym
Pro Debut Date: 2013-01-12
Pro Record: 13-13-1
Current Ranking:
#357 Middleweight
'Big League' Record: 13-13-1
Last 3 Years: 1-2-0
Win Finish %: 46.2%
Combat Age: 47
Quality Perf. %: 51.9%
Last Quality Perf.: 2026-03-14
540 Metric: .769
Rating Points: 25
Highest Quarterly Ranking: 4/01/2020

#273 Lightweight
Last Fight Date: 3/14/2026 [Pancrase]
Last Opponent: [NR] Akira Hirata
Last Loss Date: 7/27/2025
Last Loss: [#241 MW] Ryutaro Sato
Opponent's Last 5: W W W L W

Complete Professional MMA Fight History


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

  Opponent Outcome
W Akira Hirata
#728 Middleweight 		KO (Punch)
Round 1
  Pancrase - 361
Saturday, March 14th 2026
L Ryutaro Sato
#298 Middleweight 		Decision (Unanimous)
Round 3
  Pancrase - 355
Sunday, July 27th 2025
L Ryuichiro Sumimura
#290 Welterweight 		TKO (Punches)
Round 5
  Pancrase - 340: 30th Anniversary Tournament 2
Sunday, December 24th 2023
W Akihiro Murayama
#378 Welterweight 		Decision (Unanimous)
Round 5
  Pancrase - 334
Sunday, June 4th 2023
W Kota Shirakawa
#534 Welterweight 		TKO (Punches)
Round 1
  Pancrase - 330
Sunday, December 25th 2022
W Yuta Nakamura
#893 Welterweight 		Decision (Unanimous)
Round 3
  Pancrase - 329
Sunday, September 11th 2022
L Kousuke Kindaichi
#400 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase - 325
Sunday, December 12th 2021
L Kazuki Kasai
#283 Welterweight 		Decision (Unanimous)
Round 3
  Pancrase - 323
Sunday, September 12th 2021
L Tatsuya Saika
#325 Lightweight 		KO (Punch)
Round 1
  Pancrase - 318
Sunday, September 27th 2020
W Kenichiro Togashi
#279 Lightweight 		Decision (Split)
Round 3
  Pancrase - 308
Sunday, September 29th 2019
W Ukyo Abe
#640 Lightweight 		TKO (Elbows and Punches)
Round 1
  Pancrase - 306
Sunday, June 30th 2019
L Yuki Niimura
#185 Middleweight 		Decision (Technical Majority)
Round 3
  Pancrase 298 - Araujo vs. Fujino
Sunday, August 5th 2018
L Ken Hasegawa
#153 Welterweight 		Submission (Arm Triangle Choke)
Round 1
  DEEP 82 Impact
Saturday, February 24th 2018
L Tatsuya Mizuno
#164 Middleweight 		Decision (Unanimous)
Round 3
  Deep - 79 Impact
Saturday, September 16th 2017
L Yuki Yamasaki
#593 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase - Osaka
Sunday, July 16th 2017
W Juntaro Ami
#661 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase - 280
Sunday, September 11th 2016
W Shigeaki Kusayanagi
#615 Welterweight 		Decision (Unanimous)
Round 3
  Pancrase - 278
Sunday, June 12th 2016
W Atsushi Ueda
#772 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase - 275
Sunday, January 31st 2016
L Shunpei Ota
#933 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase - 270
Sunday, October 4th 2015
W Yutaka Kobayashi KO (Punch)
Round 2
  Pancrase - 264
Sunday, February 1st 2015
L Takashi Sato
#614 Welterweight 		TKO (Punches)
Round 1
  Pancrase - 260
Sunday, August 10th 2014
D Hiroshi Takahashi
#1036 Welterweight 		Draw
Round 2
  Deep - Fujisan Matsuri
Sunday, May 25th 2014
W Shotaro Yabe Decision (Unanimous)
Round 3
  Pancrase - Bayside Fight 3
Sunday, April 20th 2014
W Junya Nishikawa KO (Soccer Kick)
Round 1
  Pancrase - 256
Sunday, February 2nd 2014
L Takashi Matsuoka
#795 Lightweight 		Decision (Unanimous)
Round 2
  Pancrase - 255
Sunday, December 8th 2013
L Ben Buchan Submission (Rear Naked Choke)
Round 1
  Pancrase 247
Sunday, May 19th 2013
W Akihito Hara TKO (Punches)
Round 2
  Pancrase 244
Saturday, January 12th 2013
  Opponent Event Outcome
W Akira Hirata
#728 Middleweight 		  Pancrase - 361
Saturday, March 14th 2026 		KO (Punch)
Round 1
L Ryutaro Sato
#298 Middleweight 		  Pancrase - 355
Sunday, July 27th 2025 		Decision (Unanimous)
Round 3
L Ryuichiro Sumimura
#290 Welterweight 		  Pancrase - 340: 30th Anniversary Tournament 2
Sunday, December 24th 2023 		TKO (Punches)
Round 5
W Akihiro Murayama
#378 Welterweight 		  Pancrase - 334
Sunday, June 4th 2023 		Decision (Unanimous)
Round 5
W Kota Shirakawa
#534 Welterweight 		  Pancrase - 330
Sunday, December 25th 2022 		TKO (Punches)
Round 1
W Yuta Nakamura
#893 Welterweight 		  Pancrase - 329
Sunday, September 11th 2022 		Decision (Unanimous)
Round 3
L Kousuke Kindaichi
#400 Lightweight 		  Pancrase - 325
Sunday, December 12th 2021 		Decision (Unanimous)
Round 3
L Kazuki Kasai
#283 Welterweight 		  Pancrase - 323
Sunday, September 12th 2021 		Decision (Unanimous)
Round 3
L Tatsuya Saika
#325 Lightweight 		  Pancrase - 318
Sunday, September 27th 2020 		KO (Punch)
Round 1
W Kenichiro Togashi
#279 Lightweight 		  Pancrase - 308
Sunday, September 29th 2019 		Decision (Split)
Round 3
W Ukyo Abe
#640 Lightweight 		  Pancrase - 306
Sunday, June 30th 2019 		TKO (Elbows and Punches)
Round 1
L Yuki Niimura
#185 Middleweight 		  Pancrase 298 - Araujo vs. Fujino
Sunday, August 5th 2018 		Decision (Technical Majority)
Round 3
L Ken Hasegawa
#153 Welterweight 		  DEEP 82 Impact
Saturday, February 24th 2018 		Submission (Arm Triangle Choke)
Round 1
L Tatsuya Mizuno
#164 Middleweight 		  Deep - 79 Impact
Saturday, September 16th 2017 		Decision (Unanimous)
Round 3
L Yuki Yamasaki
#593 Lightweight 		  Pancrase - Osaka
Sunday, July 16th 2017 		Decision (Unanimous)
Round 3
W Juntaro Ami
#661 Lightweight 		  Pancrase - 280
Sunday, September 11th 2016 		Decision (Unanimous)
Round 3
W Shigeaki Kusayanagi
#615 Welterweight 		  Pancrase - 278
Sunday, June 12th 2016 		Decision (Unanimous)
Round 3
W Atsushi Ueda
#772 Lightweight 		  Pancrase - 275
Sunday, January 31st 2016 		Decision (Unanimous)
Round 3
L Shunpei Ota
#933 Lightweight 		  Pancrase - 270
Sunday, October 4th 2015 		Decision (Unanimous)
Round 3
W Yutaka Kobayashi   Pancrase - 264
Sunday, February 1st 2015 		KO (Punch)
Round 2
L Takashi Sato
#614 Welterweight 		  Pancrase - 260
Sunday, August 10th 2014 		TKO (Punches)
Round 1
D Hiroshi Takahashi
#1036 Welterweight 		  Deep - Fujisan Matsuri
Sunday, May 25th 2014 		Draw
Round 2
W Shotaro Yabe   Pancrase - Bayside Fight 3
Sunday, April 20th 2014 		Decision (Unanimous)
Round 3
W Junya Nishikawa   Pancrase - 256
Sunday, February 2nd 2014 		KO (Soccer Kick)
Round 1
L Takashi Matsuoka
#795 Lightweight 		  Pancrase - 255
Sunday, December 8th 2013 		Decision (Unanimous)
Round 2
L Ben Buchan   Pancrase 247
Sunday, May 19th 2013 		Submission (Rear Naked Choke)
Round 1
W Akihito Hara   Pancrase 244
Saturday, January 12th 2013 		TKO (Punches)
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
04/01/2026 111 #362 Middleweight 13-13-1
25
01/01/2026 8 #473 Middleweight 12-13-1
20
10/01/2025 NR #465 Middleweight 12-13-1
21
01/01/2025 47 #581 Welterweight 12-12-1
25
10/01/2024 26 #534 Welterweight 12-12-1
25
07/01/2024 61 #508 Welterweight 12-12-1
26
04/01/2024 3 #447 Welterweight 12-12-1
28
01/01/2024 158 #450 Welterweight 12-12-1
28
10/01/2023   #292 Welterweight 12-11-1
39
07/01/2023 74 #292 Welterweight 12-11-1
39
04/01/2023 1 #366 Welterweight 11-11-1
32
01/01/2023 184 #365 Welterweight 11-11-1
32
10/01/2022 NR #549 Welterweight 10-11-1
23
07/01/2022 10 #716 Lightweight 9-11-1
21
04/01/2022 4 #706 Lightweight 9-11-1
21
01/01/2022 101 #702 Lightweight 9-11-1
21
10/01/2021 NR #601 Lightweight 9-10-1
23
07/01/2021 107 #506 Welterweight 9-9-1
21
04/01/2021 32 #399 Welterweight 9-9-1
24
01/01/2021 8 #431 Welterweight 9-9-1
25
10/01/2020 NR #439 Welterweight 9-9-1
28
07/01/2020 35 #308 Lightweight 9-8-1
41
04/01/2020 3 #273 Lightweight 9-8-1
46
01/01/2020 12 #276 Lightweight 9-8-1
46
10/01/2019 236 #288 Lightweight 9-8-1
44
07/01/2019 NR #524 Lightweight 8-8-1
29
04/01/2019 23 #510 Middleweight 7-8-1
17
01/01/2019 37 #533 Middleweight 7-8-1
17
10/01/2018 41 #496 Middleweight 7-8-1
18
07/01/2018 9 #537 Middleweight 7-7-1
18
04/01/2018 14 #546 Middleweight 7-7-1
18
01/01/2018 65 #532 Middleweight 7-6-1
18
10/01/2017 NR #467 Middleweight 7-6-1
20
07/01/2017 38 #464 Lightweight 7-4-1
32
04/01/2017 19 #502 Lightweight 7-4-1
30
01/01/2017 128 #521 Lightweight 7-4-1
30
10/01/2016 162 #393 Lightweight 7-4-1
35
07/01/2016 128 #555 Lightweight 6-4-1
28
04/01/2016 554 #683 Lightweight 5-4-1
23
01/01/2016 240 #1237 Lightweight 4-4-1
16
10/01/2015 5 #997 Lightweight 4-3-1
18
07/01/2015 2 #992 Lightweight 4-3-1
18
04/01/2015 NR #990 Lightweight 4-3-1
18
07/01/2014 NR #991 Welterweight 3-2-1
16

Similar Fighters

 Shigeaki Kusayanagi
 Kota Shirakawa
 Shinichi Taira
 Akihiro Murayama
 Hiroshi Takahashi
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.

Writer's Game - Public Relations Agency

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