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.
His next fight came on February 4, 2023, against Gergely Csibi. Štummer won the fight via a third-round submission.
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.
His next fight came on October 14, 2023, against Dawid Kareta. Štummer lost the fight via a first-round knockout.
His next fight came on February 17, 2024, against Adrian Wieliczko. Štummer won the fight via a second-round submission. This fight earned him his first Submission of the Night bonus.
His next fight came on October 19, 2024, against Wojciech Kazieczko. Štummer lost the fight via a third-round submission.
His next fight came on February 21, 2025, against Nacim Belhouachi. Štummer won the fight via a first-round knockout. This fight earned him his first career Knockout of the Night bonus.
His next fight came on August 9, 2025, against Eduard Kexel. Štummer won the fight via a Unanimous Decision.
His next fight came on February 21, 2026, against Michał Domin. Before the bout began, he was deducted one point due to missing weight. Štummer won the fight via a Unanimous Decision.
Championships and accomplishments Mixed martial arts Konfrontacja Sztuk Walki Submission of the Night (One time) Knockout of the Night (One time)
Mixed martial arts record
|Win |align=center|8–2 |Łukasz Charzewski |Decision (split) |KSW 121 | |align=center|3 |align=center|5:00 |Liberec, Czech Republic
|Win |align=center|7–2 |Michał Domin |Decision (unanimous) |KSW 115 | |align=center|3 |align=center|5:00 |Lubin, Poland
|Win |align=center|6–2 |Eduard Kexel |Decision (unanimous) |KSW 109 | |align=center|3 |align=center|5:00 |Warsaw, Poland
|Win |align=center|5–2 |Nacim Belhouachi |KO (punch) |KSW 103 | |align=center|1 |align=center|2:02 |Liberec, Czech Republic
|Loss |align=center|4–2 |Wojciech Kazieczko |Submission (ninja choke) |KSW 99 | |align=center|3 |align=center|4:09 |Gliwice, Poland
|Win |align=center|4–1 |Adrian Wieliczko |Submission (triangle choke) |KSW 91 | |align=center|2 |align=center|4:20 |Liberec, Czech Republic
|Loss |align=center|3–1 |Dawid Kareta |KO (knees) |KSW 87 | |align=center|1 |align=center|4:10 |Třinec, Czech Republic
|Win |align=center|3–0 |Jonatan Kujawa |Decision (unanimous) |KSW 81 | |align=center|3 |align=center|5:00 |Tomaszów Mazowiecki, Poland
|Win |align=center|2–0 |Gergely Csibi |Submission (scarf hold) |Real Fight Arena 8 | |align=center|3 |align=center|1:16 |Budapest, Hungary
|Win |align=center|1–0 |Bartosz Rewera |Decision (unanimous) |Real Fight Arena 3 | |align=center|3 |align=center|5:00 |Ostrava, Czech Republic |
Submission grappling record
{| class="wikitable sortable" style="font-size:80%; text-align:left;" |- | colspan=8 style="text-align:center;" | Professional Submission grappling record1 Matche1, 1 Win (0 Submissions), 0 Losses (0 Submission), 0 Draws |- ! Result ! style="text-align:center;"| Rec. ! Opponent ! Method ! Event ! Date ! Location |- |Win |style="text-align:center;"|1-0 | Michael Pryjmačuk |Decision (points) |Tatamy 10 Beatdown |June 22, 2024 | Brno, Czech Republic
See also List of male mixed martial artists List of current Konfrontacja Sztuk Walki fighters
References
External links