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Kaisei Kuroi

Issue Date: 8/09/2026 (Official Release: #1036)
  Kaisei Kuroi's profile at Sherdog 

Kaisei Kuroi's profile at Tapology 

Birth Date: 2001-06-21
Last 5: L W W L L
Association: Brave
Pro Debut Date: 2022-03-11
Pro Record: 8-5-0
Current Ranking:
#1133 Featherweight
'Big League' Record: 1-2-0
Last 3 Years: 4-4-0
Win Finish %: 75%
Combat Age: 27
Quality Perf. %: 61.5%
Last Quality Perf.: 2025-11-09
540 Metric: .567
Rating Points: 19
Highest Quarterly Ranking: 4/01/2024

#404 Featherweight
Last Fight Date: 6/06/2026 [Rizin Fighting Federation]
Last Opponent: [#402 FW] Naoki Tanaka
Opponent's Last 5: W L L W W

Complete Professional MMA Fight History


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

  Opponent Outcome
L Naoki Tanaka
#450 Featherweight 		TKO (Knees and Punches)
Round 1
  Rizin FF - Landmark Vol. 14
Saturday, June 6th 2026
L Shunki Mitsui
#719 Featherweight 		TKO (Punches)
Round 1
  Deep Tokyo Impact 2026 1st Round
Monday, February 23rd 2026
W Takuya Nagata
#1134 Featherweight 		TKO (Punches)
Round 1
  Brave - Brave Fight 38
Sunday, November 9th 2025
W Jota Konaka Submission (Triangle Choke)
Round 1
  Deep - Tokyo Impact 2025 4th Round
Sunday, September 7th 2025
L Hyun Woo Kim
#546 Featherweight 		Submission (Guillotine Choke)
Round 1
  Road FC 72 - Road Fighting Championship 72
Sunday, March 16th 2025
L Hyung Geun Park Technical Submission (Triangle Choke)
Round 1
  Road FC 70 - Road Fighting Championship 70
Sunday, October 27th 2024
W Takanori Takahashi
#651 Featherweight 		Decision (Unanimous)
Round 2
  Grachan / Brave - Grachan 68 / Brave Fight 31
Sunday, March 10th 2024
W Reo Hitomi
#972 Featherweight 		TKO (Punches)
Round 1
  Grachan - Grachan 65: 15th Anniversary Tou...
Sunday, October 15th 2023
W Yasuki Kajimoto
#473 Featherweight 		Decision (Unanimous)
Round 2
  Grachan - Grachan 61
Sunday, May 14th 2023
W Daigo Daigo TKO (Punches)
Round 1
  Grachan / Kiwami - J-MMA Rookies Cup
Sunday, March 19th 2023
W Kazuki Hagiwara TKO (Punches)
Round 1
  Grachan - Grachan 58
Sunday, December 4th 2022
L Shun Murata Decision (Split)
Round 2
  Grachan - Grachan 54
Sunday, May 15th 2022
W Seiya Sugimoto TKO (Punches)
Round 2
  Grachan / Brave - Grachan 53 / Brave Fight 26
Friday, March 11th 2022
  Opponent Event Outcome
L Naoki Tanaka
#450 Featherweight 		  Rizin FF - Landmark Vol. 14
Saturday, June 6th 2026 		TKO (Knees and Punches)
Round 1
L Shunki Mitsui
#719 Featherweight 		  Deep Tokyo Impact 2026 1st Round
Monday, February 23rd 2026 		TKO (Punches)
Round 1
W Takuya Nagata
#1134 Featherweight 		  Brave - Brave Fight 38
Sunday, November 9th 2025 		TKO (Punches)
Round 1
W Jota Konaka   Deep - Tokyo Impact 2025 4th Round
Sunday, September 7th 2025 		Submission (Triangle Choke)
Round 1
L Hyun Woo Kim
#546 Featherweight 		  Road FC 72 - Road Fighting Championship 72
Sunday, March 16th 2025 		Submission (Guillotine Choke)
Round 1
L Hyung Geun Park   Road FC 70 - Road Fighting Championship 70
Sunday, October 27th 2024 		Technical Submission (Triangle Choke)
Round 1
W Takanori Takahashi
#651 Featherweight 		  Grachan / Brave - Grachan 68 / Brave Fight 31
Sunday, March 10th 2024 		Decision (Unanimous)
Round 2
W Reo Hitomi
#972 Featherweight 		  Grachan - Grachan 65: 15th Anniversary Tou...
Sunday, October 15th 2023 		TKO (Punches)
Round 1
W Yasuki Kajimoto
#473 Featherweight 		  Grachan - Grachan 61
Sunday, May 14th 2023 		Decision (Unanimous)
Round 2
W Daigo Daigo   Grachan / Kiwami - J-MMA Rookies Cup
Sunday, March 19th 2023 		TKO (Punches)
Round 1
W Kazuki Hagiwara   Grachan - Grachan 58
Sunday, December 4th 2022 		TKO (Punches)
Round 1
L Shun Murata   Grachan - Grachan 54
Sunday, May 15th 2022 		Decision (Split)
Round 2
W Seiya Sugimoto   Grachan / Brave - Grachan 53 / Brave Fight 26
Friday, March 11th 2022 		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
07/01/2026 133 #1132 Featherweight 8-5-0
19
04/01/2026 250 #999 Featherweight 8-4-0
20
01/01/2026 261 #749 Featherweight 8-3-0
24
10/01/2025 7 #1010 Featherweight 7-3-0
19
07/01/2025 18 #1017 Featherweight 6-3-0
19
04/01/2025 123 #999 Featherweight 6-3-0
19
01/01/2025 396 #876 Featherweight 6-2-0
21
10/01/2024 9 #480 Featherweight 6-1-0
30
07/01/2024 67 #471 Featherweight 6-1-0
30
04/01/2024 155 #404 Featherweight 6-1-0
32
01/01/2024 47 #559 Featherweight 5-1-0
26
10/01/2023 4 #512 Featherweight 4-1-0
27
07/01/2023 621 #516 Featherweight 4-1-0
27
04/01/2023 3 #1137 Featherweight 3-1-0
16
01/01/2023 NR #1134 Featherweight 2-1-0
16

Similar Fighters

 Katsuaki Aoyagi
 Ryo Takagi
 Taisei Otsuki
 Shin Haraguchi
 Fabio Harada
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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