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FightersKSW Featherweight

Josef Stummer

"Air"
8-2-0KSW #2FeatherweightCzechiaCzechiaLast 5
Amateur MMA 5-1Grappling 1-0

Last fight: Win vs Lukasz Charzewski · Split Decision · Sep 19, 2026

8-2-0 · 3 finishes · Full stats →
NEXT FIGHT
vs Patryk KaczmarczykTitle bout
KSWKSW 124: Pawlak vs Kuberski·
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CAREER SUMMARY

Josef Stummer holds a professional MMA record of 8-2-0. Stummer has won 8 fights: 1 by KO/TKO, 2 by submission, 5 by decision. Of 2 career losses, 1 came by KO/TKO and 1 by submission. Stummer also has 1 recorded Grappling bout. Most recent fight: September 19, 2026. Tracked organizations: KSW.

Profile

Height
5'8"173 cm
Weight
148 lbs67 kg
Reach
68"173 cm
DOB
Dec 28, 1996
Age
29
Nationality
Czechia
Birthplace
Liberec, Czechia

Upcoming

  1. KSWKSW 124: Pawlak vs Kuberski
    vs Patryk KaczmarczykFeatherweightTitle bout

Latest on Josef Stummer

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Career history

  1. WIN
    vs Lukasz Charzewski
    KSW 121: Vojčák vs Wójcik· Sep 19, 2026· Featherweight· 8-2 vs 15-4
    SD
    R3 · 05:00
  2. WIN
    vs Michal Domin
    KSW 115: Przybysz vs Yakymenko· Feb 21, 2026· 148 lb Catchweight· 7-2 vs 7-5
    UD
    R3 · 5:00
  3. WIN
    vs Eduard Kexel
    KSW 109: Kuberski vs Paczuski· Aug 9, 2025· Featherweight· 6-2 vs 10-3
    DEC
    R3 · 5:00
  4. WIN
    vs Nacim Belhouachi
    KSW 103: Brichta vs Charzewski· Feb 21, 2025· Featherweight· 5-2 vs 4-4
    TKO
    R1 · 2:02
  5. LOSS
    vs Wojciech Kazieczko
    KSW 99: Martínek vs Vojčák· Oct 19, 2024· Featherweight· 4-2 vs 5-2
    SUB
    R3 · 4:09
  6. WIN
    vs Adrian Wieliczko
    KSW 91 - Mircea vs Brichta· Feb 17, 2024· Featherweight· 4-1 vs 2-2
    SUB
    R2 · 4:20
  7. LOSS
    vs Dawid Kareta
    KSW 87 - Stosic vs Martinek· Oct 14, 2023· Featherweight· 3-1 vs 5-3
    TKO
    R1 · 4:10
  8. WIN
    vs Jonatan Kujawa
    KSW 81 - Bartosinski vs Szczepaniak· Apr 22, 2023· Featherweight· 3-0 vs 1-1
    UD
    R3 · 5:00
  9. WIN
    vs Gergely Csibi
    RFA 8· Feb 4, 2023· Featherweight· 2-0 vs 4-3
    SUB
    R3 · 1:16
  10. WIN
    vs Bartosz Rewera
    RFA 3· Jul 23, 2022· Featherweight· 1-0 vs 1-2
    UD

Fight DNA

Complete Fighter

UFCalendar's style model · Featherweight roster (339 fighters)

PowerSpeedPrecisionDurabilityEngineWrestlingGround
Punch power90
Kick power75
Punch speed95
Kick speed89
Accuracy92
Takedowns72
Ground striking72
Submissions92
Chin68
Body strength79
Cardio94

Attributes are rated 0-100 by UFCalendar's style model.

By the numbers

Pro MMARecord: 8-2-0 · Source: UFCalendar
Striking
Strikes landed1.93per min
Strikes absorbed1.93per min
Grappling
Takedowns landed0.40per 15 min
15% success
Takedowns stuffed50%
Submission attempts0.4per 15 min
See every fight's numbers

Where they rank

All-time boards where Josef Stummer sits in the top 25.

Related fighters

Recent & upcoming opponents

Official KSW Ranking

Josef Stummer's standing in the official KSW rankings.

Current
#2 Featherweight
Peak
#2 Featherweight
First ranked
Aug 1, 2026
Times ranked
4

Featherweight

#1#5#10#15Aug 1, 2026 · #6Sep 27, 2026 · #3Oct 16, 2026 · #2#2

View full KSW rankings →

UFCalendar Power Index rating

Current
1645▲13
Peak
1645Sep 19, 2026
Rated fights
10
15001550160016502023202420252026Jul 23, 2022 · 1534Feb 4, 2023 · 1584Apr 22, 2023 · 1615Oct 14, 2023 · 1553Feb 17, 2024 · 1606Oct 19, 2024 · 1547Feb 21, 2025 · 1581Aug 9, 2025 · 1609Feb 21, 2026 · 1632Sep 19, 2026 · 16451645

See the full Power Index →

Frequently asked questions

When does Josef Stummer fight next?

Josef Stummer fights Patryk Kaczmarczyk on Saturday, December 19, 2026 at KSW 124: Pawlak vs Kuberski.

What is Josef Stummer's record?

Josef Stummer's professional MMA record is 8-2-0.

Who is Josef Stummer fighting next?

Josef Stummer's next opponent is Patryk Kaczmarczyk at KSW 124: Pawlak vs Kuberski.

Who did Josef Stummer fight last?

Josef Stummer most recently fought Lukasz Charzewski at KSW 121: Vojčák vs Wójcik on Saturday, September 19, 2026, WIN (Split Decision).

What weight class does Josef Stummer fight in?

Josef Stummer fights at Featherweight.

How many knockouts does Josef Stummer have?

Josef Stummer has 1 win by KO/TKO and 2 wins by submission.

How tall is Josef Stummer?

Josef Stummer is 5'8" (173 cm) tall.

How much does Josef Stummer weigh?

Josef Stummer weighs 148 lbs (67 kg).

What is Josef Stummer's reach?

Josef Stummer has a reach of 68" (173 cm).

How old is Josef Stummer?

Josef Stummer is 29 years old (born Dec 28, 1996).

Where is Josef Stummer from?

Josef Stummer is from Czechia.

Get Josef Stummer's fight history and stats as JSON with the MMA Fight Data API →