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Fight Matrix

Josef Stummer

Issue Date: 9/20/2026 (Official Release: #1042)
  Josef Stummer's profile at Sherdog 

Josef Stummer's profile at Tapology 

Birth Date: 1996-12-28
Last 5: L W W W W
Association: MMA Liberec
Pro Debut Date: 2022-07-23
Pro Record: 8-2-0
Current Ranking:
#178 Featherweight
'Big League' Record: 6-2-0
Last 3 Years: 5-2-0
Win Finish %: 37.5%
Combat Age: 31
Quality Perf. %: 80%
Last Quality Perf.: 2026-09-19
540 Metric: .682
Rating Points: 65
Highest Quarterly Ranking: 4/01/2026

#279 Featherweight
Last Fight Date: 9/19/2026 [KSW]
Last Opponent: [#181 FW] Lukasz Charzewski
Opponent's Last 5: W L W W L
Last Loss Date: 10/19/2024
Last Loss: [#598 FW] Wojciech Kazieczko
Opponent's Last 5: L W W W L

Complete Professional MMA Fight History


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

  Opponent Outcome
W Lukasz Charzewski
#160 Featherweight 		Decision (Split)
Round 3
  KSW 121 - Vojcak vs. Wojcik
Saturday, September 19th 2026
W Michal Domin
#522 Featherweight 		Decision (Unanimous)
Round 3
  KSW 115 Przybysz vs. Yakymenko
Saturday, February 21st 2026
W Eduard Kexel
#417 Featherweight 		Decision (Unanimous)
Round 3
  KSW 109 - Kuberski vs. Paczuski
Saturday, August 9th 2025
W Nacim Belhouachi
#1034 Featherweight 		KO (Punch)
Round 1
  KSW 103 - Brichta vs. Charzewski
Friday, February 21st 2025
L Wojciech Kazieczko
#722 Featherweight 		Submission (Ninja Choke)
Round 3
  KSW 99 - Vojcak vs. Martinek
Saturday, October 19th 2024
W Adrian Wieliczko Submission (Triangle Choke)
Round 2
  KSW 91 - Mircea vs. Brichta
Saturday, February 17th 2024
L Dawid Kareta
#1027 Featherweight 		TKO (Knees and Punches)
Round 1
  KSW 87 - Stosic vs. Martinek
Saturday, October 14th 2023
W Jonatan Kujawa Decision (Unanimous)
Round 3
  KSW 81 - Bartosinski vs. Szczepaniak
Saturday, April 22nd 2023
W Gergely Csibi Submission (Scarf Hold)
Round 3
  Real Fight Arena - RFA 8
Saturday, February 4th 2023
W Bartosz Rewera Decision (Unanimous)
Round 3
  Real Fight Arena - RFA 3: Ostrava
Saturday, July 23rd 2022
  Opponent Event Outcome
W Lukasz Charzewski
#160 Featherweight 		  KSW 121 - Vojcak vs. Wojcik
Saturday, September 19th 2026 		Decision (Split)
Round 3
W Michal Domin
#522 Featherweight 		  KSW 115 Przybysz vs. Yakymenko
Saturday, February 21st 2026 		Decision (Unanimous)
Round 3
W Eduard Kexel
#417 Featherweight 		  KSW 109 - Kuberski vs. Paczuski
Saturday, August 9th 2025 		Decision (Unanimous)
Round 3
W Nacim Belhouachi
#1034 Featherweight 		  KSW 103 - Brichta vs. Charzewski
Friday, February 21st 2025 		KO (Punch)
Round 1
L Wojciech Kazieczko
#722 Featherweight 		  KSW 99 - Vojcak vs. Martinek
Saturday, October 19th 2024 		Submission (Ninja Choke)
Round 3
W Adrian Wieliczko   KSW 91 - Mircea vs. Brichta
Saturday, February 17th 2024 		Submission (Triangle Choke)
Round 2
L Dawid Kareta
#1027 Featherweight 		  KSW 87 - Stosic vs. Martinek
Saturday, October 14th 2023 		TKO (Knees and Punches)
Round 1
W Jonatan Kujawa   KSW 81 - Bartosinski vs. Szczepaniak
Saturday, April 22nd 2023 		Decision (Unanimous)
Round 3
W Gergely Csibi   Real Fight Arena - RFA 8
Saturday, February 4th 2023 		Submission (Scarf Hold)
Round 3
W Bartosz Rewera   Real Fight Arena - RFA 3: Ostrava
Saturday, July 23rd 2022 		Decision (Unanimous)
Round 3

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 11 #290 Featherweight 7-2-0
45
04/01/2026 108 #279 Featherweight 7-2-0
45
01/01/2026 8 #387 Featherweight 6-2-0
37
10/01/2025 311 #395 Featherweight 6-2-0
37
07/01/2025 33 #706 Featherweight 5-2-0
25
04/01/2025 438 #673 Featherweight 5-2-0
25
01/01/2025 300 #1111 Featherweight 4-2-0
18
10/01/2024 21 #811 Featherweight 4-1-0
21
07/01/2024 18 #790 Featherweight 4-1-0
21
04/01/2024 299 #772 Featherweight 4-1-0
21
01/01/2024 395 #1071 Featherweight 3-1-0
17
10/01/2023 2 #676 Featherweight 3-0-0
22
07/01/2023 188 #678 Featherweight 3-0-0
22
04/01/2023 NR #866 Featherweight 2-0-0
19

Similar Fighters

 Patryk Kaczmarczyk
 Wojciech Kazieczko
 Anzor Azhiev
 Kamil Szkaradek
 Szymon Karolczyk
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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