Josef Štummer

Josef Štummer
Born (1996-12-28) 28 December 1996
Liberec, Czech Republic
Other namesAir
Height5 ft 10 in (1.78 m)
Weight148 lb (67 kg; 10 st 8 lb)
Division
Reach68.1 in (173 cm)[1]
StanceOrthodox
Fighting out ofLiberec, Czech Republic
TeamMMA Liberec
Years active2022–present
Mixed martial arts record
Total9
Wins7
By knockout1
By submission2
By decision4
Losses2
By knockout1
By submission1
Other information
Mixed martial arts record from Sherdog

Josef Štummer (born 28 December 1996) is a Czech professional mixed martial artist. He currently competes in the Featherweight division of Konfrontacja Sztuk Walki (KSW).

Professional career

Early career

Štummer made his professional debut on July 23, 2022, against Bartosz Rewera. Štummer won the fight via a Unanimous Decision.[2]

His next fight came on February 4, 2023, against Gergely Csibi. Štummer won the fight via a third-round submission.[3]

Konfrontacja Sztuk Walki

Štummer made his debut under Konfrontacja Sztuk Walki (KSW) on April 22, 2023, against Jonatan Kujawa. Štummer won the fight via a Unanimous Decision.[4]

His next fight came on October 14, 2023, against Dawid Kareta. Štummer lost the fight via a first-round knockout.[5]

His next fight came on February 17, 2024, against Adrian Wieliczko. Štummer won the fight via a second-round submission.[6][7] This fight earned him his first Submission of the Night bonus.[8]

His next fight came on October 19, 2024, against Wojciech Kazieczko. Štummer lost the fight via a third-round submission.[9]

His next fight came on February 21, 2025, against Nacim Belhouachi. Štummer won the fight via a first-round knockout.[10][11] This fight earned him his first career Knockout of the Night bonus.[12]

His next fight came on August 9, 2025, against Eduard Kexel. Štummer won the fight via a Unanimous Decision.[13]

His next fight came on February 21, 2026, against Michał Domin. Before the bout began, he was deducted one point due to missing weight.[14] Štummer won the fight via a Unanimous Decision.[15][16]

Championships and accomplishments

Mixed martial arts

Mixed martial arts record

Professional record breakdown
9 matches 7 wins 2 losses
By knockout 1 1
By submission 2 1
By decision 4 0
Res. Record Opponent Method Event Date Round Time Location Notes
Win 7–2 Michał Domin Decision (unanimous) KSW 115 February 21, 2026 3 5:00 Lubin, Poland Štummer deducted one point before the fight due to missing weight (148 lb).
Win 6–2 Eduard Kexel Decision (unanimous) KSW 109 August 9, 2025 3 5:00 Warsaw, Poland
Win 5–2 Nacim Belhouachi KO (punch) KSW 103 February 21, 2025 1 2:02 Liberec, Czech Republic Knockout of the Night.
Loss 4–2 Wojciech Kazieczko Submission (ninja choke) KSW 99 October 19, 2024 3 4:09 Gliwice, Poland
Win 4–1 Adrian Wieliczko Submission (triangle choke) KSW 91 February 17, 2024 2 4:20 Liberec, Czech Republic Submission of the Night.
Loss 3–1 Dawid Kareta KO (knees) KSW 87 October 14, 2023 1 4:10 Třinec, Czech Republic
Win 3–0 Jonatan Kujawa Decision (unanimous) KSW 81 April 22, 2023 3 5:00 Tomaszów Mazowiecki, Poland
Win 2–0 Gergely Csibi Submission (scarf hold) Real Fight Arena 8 February 4, 2023 3 1:16 Budapest, Hungary
Win 1–0 Bartosz Rewera Decision (unanimous) Real Fight Arena 3 July 23, 2022 3 5:00 Ostrava, Czech Republic Featherweight debut.

Submission grappling record

Professional Submission grappling record
1 Matche1, 1 Win (0 Submissions), 0 Losses (0 Submission), 0 Draws
Result Rec. Opponent Method Event Date Location
Win 1-0 Michael Pryjmačuk Decision (points) Tatamy 10 Beatdown June 22, 2024 Brno, Czech Republic

See also

References

  1. ^ "Josef Štummer ("Air") | MMA Fighter Page". Tapology.
  2. ^ "Real Fight Arena 3 - RFA 3: Ostrava". Sherdog. 23 July 2022. Retrieved 2026-02-22.
  3. ^ "Real Fight Arena 8 - RFA 8". Sherdog. 4 February 2023. Retrieved 2026-02-22.
  4. ^ Waldemar Ossowski (22 April 2023). "Porażka Polaka na otwarcie XTB KSW 81". WP Sportowe Fakty (in Polish). Retrieved 2026-02-22.
  5. ^ Alicja A (14 October 2023). "Kareta kończy Stummera przez TKO w 1 rundzie! - KSW 87 [VIDEO]". Zawód Typer (in Polish). Retrieved 2026-02-22.
  6. ^ Bartosz Cieśla (17 February 2024). "KSW 91: Josef Štummer poddał Adriana Wieliczkę po bardzo ciekawej walce [WIDEO]". mma.pl (in Polish). Retrieved 2026-02-22.
  7. ^ Oliver Gold (18 February 2024). "Skvělý výkon na titul v KSW nestačil. Spíš ho*no než válka, smutnil Brichta". Deník (in Czech). Retrieved 2026-02-22.
  8. ^ Kamil Zejma (21 February 2024). "Rozdano bonusy po gali KSW 91 [WIDEO]". In The Cage (in Polish). Retrieved 2026-02-22.
  9. ^ Bartłomiej Stachura (19 October 2024). "Wycieńczający bój! Wojciech Kazieczko skończył w trzeciej rundzie Josefa Stummera na KSW 99!". Lowking (in Polish). Retrieved 2026-02-22.
  10. ^ Waldemar Ossowski (21 February 2025). "Efektowny początek XTB KSW 103 w Libercu. Co za nokaut! [WIDEO]". WP Sportowe Fakty (in Polish). Retrieved 2026-02-22.
  11. ^ Jiří Průša; David Panuška (21 February 2025). "Brichta ukončil soupeře v prvním kole. V Liberci vyhráli i Štummer a Humburger". TN.cz (in Czech). Retrieved 2026-02-22.
  12. ^ Jacek Łosak (25 February 2025). "Bonusy po gali XTB KSW 103 w Libercu zostały przyznane". MMA Rocks! (in Polish). Retrieved 2026-02-22.
  13. ^ Grzegorz Nielubiak (9 August 2025). "XTB KSW 109: Josef Stummer jednogłośnie lepszy od Eduarda Kexela". In The Cage (in Polish). Retrieved 2026-02-22.
  14. ^ Jakub Madej (20 February 2026). "Jeden zawodnik przekroczył limit wagowy i zacznie walkę z ujemnym punktem. Wyniki ważenia przed XTB KSW 115". MMA Rocks! (in Polish). Retrieved 2026-02-22.
  15. ^ Bartłomiej Stachura (21 February 2026). "Josef Stummer pewnie wypunktował Michała Domina na KSW 115". Lowking (in Polish). Retrieved 2026-02-22.
  16. ^ David Panuška (21 February 2026). "Štummer má čtvrtou výhru v KSW. Soupeři pak vysekl poklonu". TN.cz (in Czech). Retrieved 2026-02-22.
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