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Fight Matrix
Writer's Game PR, LLC - Public Relations Agency
Writer's Game PR, LLC - Public Relations Agency

Yutaka Kobayashi

  Yutaka Kobayashi's profile at Sherdog 

Yutaka Kobayashi's profile at Tapology 

Birth Date: 1985-05-01
Last 5: L W W L W
Association: Uzukido Honpo
Pro Debut Date: 2006-08-04
Pro Record: 18-21-4
Current Ranking:
#629 Welterweight
'Big League' Record: 15-16-3
Last 3 Years: 4-4-0
Win Finish %: 33.3%
Combat Age: 64
Quality Perf. %: 46.5%
Last Quality Perf.: 2026-02-23
540 Metric: .556
Rating Points: 24
Highest Quarterly Ranking: 10/01/2006

#402 Lightweight
Last Fight Date: 2/23/2026 [DEEP]
Last Opponent: [#883 WW] Kouki Asano
Opponent's Last 5: NC W L W L
Next Fight: Deep Hamamatsu Impact 2026 1st Round
Next Opponent: [NR] Amiru Mano
Opponent's Last 5:
Last Loss Date: 11/23/2025
Last Loss: [#478 WW] Daichi Abe
Opponent's Last 5: W L L L W

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

  Opponent Outcome
W Kouki Asano
#743 Welterweight 		Decision (Unanimous)
Round 2
  Deep Nagoya Impact 2026: Kobudo Fight 1st ...
Monday, February 23rd 2026
L Daichi Abe
#679 Welterweight 		Submission (Inverted Triangle Choke)
Round 1
  Deep - Tokyo Impact 2025 5th Round
Sunday, November 23rd 2025
W Jae Woong Yoon
#704 Middleweight 		Submission (Kimura)
Round 1
  AFC 38
Saturday, August 16th 2025
W Angelo Shinohara Decision (Unanimous)
Round 2
  Deep - Hamamatsu Impact 2025 1st Round
Sunday, April 27th 2025
L Keigo Maeda KO (Punches)
Round 1
  Deep - Tokyo Impact 2024 5th Round
Saturday, November 23rd 2024
W Mitsuhiro Okada Decision (Split)
Round 2
  Deep - Nagoya Impact 2024: Kobudo Fight 1s...
Sunday, April 7th 2024
L Kohei Kadono TKO (Punches)
Round 1
  Deep - Osaka Impact 2023 3rd Round
Sunday, November 26th 2023
L Naoto Miyazaki Decision (Split)
Round 2
  Deep - Tokyo Impact 2023 4th Round
Sunday, May 28th 2023
W Yusei Iwakura
#960 Welterweight 		Decision (Unanimous)
Round 2
  Deep - Tokyo Impact 2022 7th Round
Sunday, December 11th 2022
L Yoichiro Sato Decision (Unanimous)
Round 2
  DEEP Tokyo Impact 2022 ~4th Round~
Sunday, May 29th 2022
W Sampy Sampy Submission (Kimura)
Round 1
  Deep - Tokyo Impact 2022 1st Round
Saturday, March 12th 2022
L Young Choi
#165 Middleweight 		Decision (Unanimous)
Round 3
  Deep - Osaka Impact 2021 2nd Round
Sunday, November 21st 2021
W Yuki Kondo
#563 Welterweight 		Decision (Unanimous)
Round 3
  Pancrase 319
Sunday, October 25th 2020
L Tatsuya Saika
#1319 Lightweight 		TKO
Round 1
  Pancrase 307
Sunday, July 21st 2019
L Ukyo Abe Decision (Unanimous)
Round 3
  Pancrase 303
Sunday, March 17th 2019
W Hiroshi Takahashi
#668 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase 299 - Tamura vs. Nakajima
Sunday, September 9th 2018
W Juntaro Ami
#1090 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase 296 - Ueda vs. Silva
Sunday, May 20th 2018
L Masayuki Kikuiri
#804 Welterweight 		Decision (Unanimous)
Round 3
  Pancrase 293 - Senzo vs. Wakamatsu
Sunday, February 4th 2018
W Shigeaki Kusayanagi
#516 Lightweight 		Decision (Unanimous)
Round 3
  Pancrase 290
Sunday, October 8th 2017
L Kazuma Maruyama Decision (Unanimous)
Round 3
  Pancrase - 283
Sunday, December 18th 2016
W Ben Buchan Decision (Unanimous)
Round 3
  Pancrase - 280
Sunday, September 11th 2016
W Ron Schroter TKO (Punches)
Round 1
  Pancrase - 266
Sunday, April 26th 2015
L Genpei Hayashi KO (Punch)
Round 2
  Pancrase - 264
Sunday, February 1st 2015
L Shunpei Ota
#712 Featherweight 		Decision (Unanimous)
Round 3
  Pancrase - 258
Sunday, May 11th 2014
L Juntaro Ami
#937 Lightweight 		Decision (Majority)
Round 2
  Pancrase - 256
Sunday, February 2nd 2014
L Tetsuya Yamada
#460 Welterweight 		KO (Punches)
Round 1
  Zst - Zst in Yokosuka
Saturday, October 12th 2013
D Ryosuke Togashi Draw
Round 2
  Deep - Cage Impact 2012 in Tokyo: 2nd Round
Saturday, December 8th 2012
W Hidetora Matsuoka Decision (Unanimous)
Round 2
  Deep - Tokyo Impact: Wave 4
Sunday, September 30th 2012
L Isamu Nagase
#908 Lightweight 		Decision (Unanimous)
Round 2
  Deep - Cage Impact 2012 in Tokyo: Over Again
Saturday, April 7th 2012
L Hideto Kondo Submission (Guillotine Choke)
Round 2
  Deep - Cage Impact 2011 in Tokyo, 1st Round
Saturday, October 29th 2011
D Taro Kusano
#709 Lightweight 		Draw
Round 2
  Deep - Osaka Impact
Sunday, September 4th 2011
W Juri Ohara
#754 Lightweight 		Decision (Unanimous)
Round 2
  Deep - Tokyo Impact
Sunday, February 27th 2011
W Jong Eon Lee TKO (Punches)
Round 2
  Gladiator 11 - G-1
Saturday, October 9th 2010
D Hiroyuki Ota Draw
Round 1
  Zst - Swat! SB-Rx2
Sunday, May 2nd 2010
L Haotian Wu
#425 Lightweight 		TKO (Punches)
Round 1
  AOW 12 - Invincible
Saturday, May 23rd 2009
D Hideto Kondo
#587 Welterweight 		Draw
Round 2
  Deep 40 Impact
Friday, February 20th 2009
L Takaaki Oban Submission (Kimura)
Round 1
  Powergate - Overcoming Vol. 2
Wednesday, February 11th 2009
W Eiichiro Hayashi Decision (Unanimous)
Round 2
  Grachan - Grachan 1
Sunday, December 14th 2008
L Miya Mo TKO (Punches)
Round 2
  CDF - Club Dog Fight 4
Sunday, November 2nd 2008
L William Animal KO (Punches)
Round 1
  MARS 10 - All Out War
Sunday, December 9th 2007
W Yoshinari Asano Submission (Kimura)
Round 2
  Deep - clubDeep Tokyo
Saturday, June 16th 2007
L Katsunori Kikuno Submission (Rear Naked Choke)
Round 1
  Deep 26 Impact
Tuesday, October 10th 2006
W Chikara Sato KO (Knee)
Round 1
  Deep 25 Impact
Friday, August 4th 2006
  Opponent Event Outcome
W Kouki Asano
#743 Welterweight 		  Deep Nagoya Impact 2026: Kobudo Fight 1st ...
Monday, February 23rd 2026 		Decision (Unanimous)
Round 2
L Daichi Abe
#679 Welterweight 		  Deep - Tokyo Impact 2025 5th Round
Sunday, November 23rd 2025 		Submission (Inverted Triangle Choke)
Round 1
W Jae Woong Yoon
#704 Middleweight 		  AFC 38
Saturday, August 16th 2025 		Submission (Kimura)
Round 1
W Angelo Shinohara   Deep - Hamamatsu Impact 2025 1st Round
Sunday, April 27th 2025 		Decision (Unanimous)
Round 2
L Keigo Maeda   Deep - Tokyo Impact 2024 5th Round
Saturday, November 23rd 2024 		KO (Punches)
Round 1
W Mitsuhiro Okada   Deep - Nagoya Impact 2024: Kobudo Fight 1s...
Sunday, April 7th 2024 		Decision (Split)
Round 2
L Kohei Kadono   Deep - Osaka Impact 2023 3rd Round
Sunday, November 26th 2023 		TKO (Punches)
Round 1
L Naoto Miyazaki   Deep - Tokyo Impact 2023 4th Round
Sunday, May 28th 2023 		Decision (Split)
Round 2
W Yusei Iwakura
#960 Welterweight 		  Deep - Tokyo Impact 2022 7th Round
Sunday, December 11th 2022 		Decision (Unanimous)
Round 2
L Yoichiro Sato   DEEP Tokyo Impact 2022 ~4th Round~
Sunday, May 29th 2022 		Decision (Unanimous)
Round 2
W Sampy Sampy   Deep - Tokyo Impact 2022 1st Round
Saturday, March 12th 2022 		Submission (Kimura)
Round 1
L Young Choi
#165 Middleweight 		  Deep - Osaka Impact 2021 2nd Round
Sunday, November 21st 2021 		Decision (Unanimous)
Round 3
W Yuki Kondo
#563 Welterweight 		  Pancrase 319
Sunday, October 25th 2020 		Decision (Unanimous)
Round 3
L Tatsuya Saika
#1319 Lightweight 		  Pancrase 307
Sunday, July 21st 2019 		TKO
Round 1
L Ukyo Abe   Pancrase 303
Sunday, March 17th 2019 		Decision (Unanimous)
Round 3
W Hiroshi Takahashi
#668 Lightweight 		  Pancrase 299 - Tamura vs. Nakajima
Sunday, September 9th 2018 		Decision (Unanimous)
Round 3
W Juntaro Ami
#1090 Lightweight 		  Pancrase 296 - Ueda vs. Silva
Sunday, May 20th 2018 		Decision (Unanimous)
Round 3
L Masayuki Kikuiri
#804 Welterweight 		  Pancrase 293 - Senzo vs. Wakamatsu
Sunday, February 4th 2018 		Decision (Unanimous)
Round 3
W Shigeaki Kusayanagi
#516 Lightweight 		  Pancrase 290
Sunday, October 8th 2017 		Decision (Unanimous)
Round 3
L Kazuma Maruyama   Pancrase - 283
Sunday, December 18th 2016 		Decision (Unanimous)
Round 3
W Ben Buchan   Pancrase - 280
Sunday, September 11th 2016 		Decision (Unanimous)
Round 3
W Ron Schroter   Pancrase - 266
Sunday, April 26th 2015 		TKO (Punches)
Round 1
L Genpei Hayashi   Pancrase - 264
Sunday, February 1st 2015 		KO (Punch)
Round 2
L Shunpei Ota
#712 Featherweight 		  Pancrase - 258
Sunday, May 11th 2014 		Decision (Unanimous)
Round 3
L Juntaro Ami
#937 Lightweight 		  Pancrase - 256
Sunday, February 2nd 2014 		Decision (Majority)
Round 2
L Tetsuya Yamada
#460 Welterweight 		  Zst - Zst in Yokosuka
Saturday, October 12th 2013 		KO (Punches)
Round 1
D Ryosuke Togashi   Deep - Cage Impact 2012 in Tokyo: 2nd Round
Saturday, December 8th 2012 		Draw
Round 2
W Hidetora Matsuoka   Deep - Tokyo Impact: Wave 4
Sunday, September 30th 2012 		Decision (Unanimous)
Round 2
L Isamu Nagase
#908 Lightweight 		  Deep - Cage Impact 2012 in Tokyo: Over Again
Saturday, April 7th 2012 		Decision (Unanimous)
Round 2
L Hideto Kondo   Deep - Cage Impact 2011 in Tokyo, 1st Round
Saturday, October 29th 2011 		Submission (Guillotine Choke)
Round 2
D Taro Kusano
#709 Lightweight 		  Deep - Osaka Impact
Sunday, September 4th 2011 		Draw
Round 2
W Juri Ohara
#754 Lightweight 		  Deep - Tokyo Impact
Sunday, February 27th 2011 		Decision (Unanimous)
Round 2
W Jong Eon Lee   Gladiator 11 - G-1
Saturday, October 9th 2010 		TKO (Punches)
Round 2
D Hiroyuki Ota   Zst - Swat! SB-Rx2
Sunday, May 2nd 2010 		Draw
Round 1
L Haotian Wu
#425 Lightweight 		  AOW 12 - Invincible
Saturday, May 23rd 2009 		TKO (Punches)
Round 1
D Hideto Kondo
#587 Welterweight 		  Deep 40 Impact
Friday, February 20th 2009 		Draw
Round 2
L Takaaki Oban   Powergate - Overcoming Vol. 2
Wednesday, February 11th 2009 		Submission (Kimura)
Round 1
W Eiichiro Hayashi   Grachan - Grachan 1
Sunday, December 14th 2008 		Decision (Unanimous)
Round 2
L Miya Mo   CDF - Club Dog Fight 4
Sunday, November 2nd 2008 		TKO (Punches)
Round 2
L William Animal   MARS 10 - All Out War
Sunday, December 9th 2007 		KO (Punches)
Round 1
W Yoshinari Asano   Deep - clubDeep Tokyo
Saturday, June 16th 2007 		Submission (Kimura)
Round 2
L Katsunori Kikuno   Deep 26 Impact
Tuesday, October 10th 2006 		Submission (Rear Naked Choke)
Round 1
W Chikara Sato   Deep 25 Impact
Friday, August 4th 2006 		KO (Knee)
Round 1

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 471 #621 Welterweight 18-21-4
24
01/01/2026 NR #1092 Welterweight 17-21-4
17
10/01/2025 NR #551 Middleweight 17-20-4
18
10/01/2024 33 #877 Welterweight 15-19-4
18
07/01/2024 19 #844 Welterweight 15-19-4
18
04/01/2024 27 #825 Welterweight 14-19-4
18
01/01/2024 168 #798 Welterweight 14-19-4
18
10/01/2023 13 #630 Welterweight 14-18-4
21
07/01/2023 41 #643 Welterweight 14-18-4
21
04/01/2023 3 #602 Welterweight 14-17-4
22
01/01/2023 187 #599 Welterweight 14-17-4
22
10/01/2022 13 #786 Welterweight 13-17-4
18
07/01/2022 111 #773 Welterweight 13-17-4
18
04/01/2022 NR #662 Welterweight 13-16-4
20
01/01/2022 NR #426 Middleweight 12-16-4
18
10/01/2021 58 #616 Welterweight 12-15-4
20
07/01/2021 106 #558 Welterweight 12-15-4
20
04/01/2021 37 #452 Welterweight 12-15-4
22
01/01/2021 NR #489 Welterweight 12-15-4
22
10/01/2020 50 #883 Lightweight 11-15-4
18
07/01/2020 47 #933 Lightweight 11-15-4
18
04/01/2020 7 #886 Lightweight 11-15-4
20
01/01/2020 34 #879 Lightweight 11-15-4
20
10/01/2019 121 #913 Lightweight 11-15-4
19
07/01/2019 60 #792 Lightweight 11-14-4
22
04/01/2019 204 #732 Lightweight 11-14-4
22
01/01/2019 71 #528 Lightweight 11-13-4
29
10/01/2018 227 #457 Lightweight 11-13-4
31
07/01/2018 315 #684 Lightweight 10-13-4
24
04/01/2018 215 #999 Lightweight 9-13-4
19
01/01/2018 NR #784 Lightweight 9-12-4
22
10/01/2016 NR #1335 Lightweight 8-11-4
15
10/01/2012 NR #956 Lightweight 6-7-3
16
04/01/2012 21 #976 Lightweight 5-6-3
16
01/01/2012 209 #955 Lightweight 5-6-3
16
10/01/2011 5 #746 Lightweight 5-5-3
19
07/01/2011 38 #751 Lightweight 5-5-2
19
04/01/2011 NR #713 Lightweight 5-5-2
19
10/01/2007 44 #586 Lightweight 2-1-0
16
07/01/2007 NR #542 Lightweight 2-1-0
16
10/01/2006 NR #402 Lightweight 1-0-0
16


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

  • Pound for Pound
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  • Women’s Featherweight+
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  • Women’s Flyweight
  • Women’s Strawweight
  • Women’s Atomweight
  • Unknown Division

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