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Fight Matrix
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Josef Stummer

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

Josef Stummer's profile at Tapology 

Birth Date: 1996-12-28
Last 5: W L W W W
Association: MMA Liberec
Pro Debut Date: 2022-07-23
Pro Record: 7-2-0
Current Ranking:
#294 Featherweight
'Big League' Record: 5-2-0
Last 3 Years: 4-2-0
Win Finish %: 42.9%
Combat Age: 30
Quality Perf. %: 77.8%
Last Quality Perf.: 2026-02-21
540 Metric: .650
Rating Points: 45
Highest Quarterly Ranking: 4/01/2026

#278 Featherweight

Last Fight Date: 2/21/2026 [KSW]
Last Opponent: [#689 FW] Michal Domin
Opponent's Last 5: W W W L L
Next Fight: KSW 121 De Fries vs. Vojcak 2
Next Opponent: [#164 FW] Lukasz Charzewski
Opponent's Last 5: L W L W W
Last Loss Date: 10/19/2024
Last Loss: [#597 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 Michal Domin
#521 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
#1052 Featherweight
KO (Punch)
Round 1
  KSW 103 - Brichta vs. Charzewski
Friday, February 21st 2025
L Wojciech Kazieczko
#736 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
#1022 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 Michal Domin
#521 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
#1052 Featherweight
  KSW 103 - Brichta vs. Charzewski
Friday, February 21st 2025
KO (Punch)
Round 1
L Wojciech Kazieczko
#736 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
#1022 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 13 #291 Featherweight 7-2-0
45
04/01/2026 109 #278 Featherweight 7-2-0
45
01/01/2026 8 #387 Featherweight 6-2-0
37
10/01/2025 310 #395 Featherweight 6-2-0
37
07/01/2025 20 #705 Featherweight 5-2-0
25
04/01/2025 447 #685 Featherweight 5-2-0
25
01/01/2025 306 #1132 Featherweight 4-2-0
18
10/01/2024 22 #826 Featherweight 4-1-0
21
07/01/2024 19 #804 Featherweight 4-1-0
21
04/01/2024 282 #785 Featherweight 4-1-0
21
01/01/2024 395 #1067 Featherweight 3-1-0
17
10/01/2023 4 #672 Featherweight 3-0-0
22
07/01/2023 189 #676 Featherweight 3-0-0
22
04/01/2023 NR #865 Featherweight 2-0-0
19

Similar Fighters

 Jan Masek
 Hugo Deux
 Marco Novak
 Szymon Karolczyk
 Wojciech Kazieczko
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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