Kamil Oniszczuk

Kamil Oniszczuk
Oniszczuk during the Polish No Gi Jiu Jitsu Cup 2017
BornKamil Oniszczuk
(1996-09-28) 28 September 1996
Międzyrzecz, Poland
Other namesKO
Height6 ft 3 in (1.91 m)
Weight185 lb (84 kg; 13 st 3 lb)
Division
Reach74 in (188 cm)[1]
StyleBrazilian Jiu-jitsu
Fighting out ofDeerfield Beach, Florida, United States
TeamKill Cliff FC
Oleksiejczuk Team
RankBrown belt in Brazilian Jiu-jitsu
Years active2016–present
Mixed martial arts record
Total18
Wins13
By knockout5
By submission2
By decision6
By disqualification0
Losses5
By knockout2
By submission1
By decision2
Other information
Mixed martial arts record from Sherdog

Kamil Oniszczuk (born 28 September 1996) is a Polish professional mixed martial artist. He currently competes in the Middleweight division of Oktagon MMA. He has previously competed under Fight Nation Championship (FNC), Bellator MMA, Absolute Championship Akhmat (ACA) and Babilon MMA.

Professional career

Early career

Oniszczuk made his professional debut on March 12, 2016, against Bartosz Siwek. Oniszczuk won the fight via a Unanimous Decision.[2]

His next fight came on October 15, 2016, against Dominik Szalczyk. Oniszczuk won the fight via a third-round TKO.[3]

His next fight came on June 24, 2017, against Paweł Szaja. Oniszczuk won the fight via a Unanimous Decision.[4]

Babilon MMA

Oniszczuk made his debut under Babilon MMA on December 2, 2017. His original opponent was scheduled to be Paweł Celiński, however, he pulled out due to an injury, with his replacement being Paweł Karwowski.[5] Oniszczuk won the fight via a Unanimous Decision.[6]

His next fight came on March 16, 2018, against Maksim Potapov. Oniszczuk won the fight via a submission just under a minute of the first round.[7]

His next fight came on August 18, 2018, against Said-Magomed Abdulkadyrov. Oniszczuk won the fight via a Unanimous Decision.[8]

His next fight came on January 25, 2019, against Guilherme Cadena. Oniszczuk won the fight via a TKO, after his opponent retired on the stool following the first round.[9]

Absolute Championship Akhmat

Oniszczuk made his debut under Russian federation Absolute Championship Akhmat (ACA) on August 20, 2020, against Mindaugas Veržbickas. Oniszczuk lost the fight via a Unanimous Decision, suffering his first career defeat in the process.[10]

His next fight came on November 26, 2020, against Krystian Bielski. Oniszczuk won the fight via a third-round knockout.[11][12] This performance earned him his first career Knockout of the Night bonus.[13]

His final fight with the federation came on December 4, 2021, against Vladimir Fedin. Oniszczuk won the fight via a first-round TKO.[14]

Bellator MMA

On March 29, 2022, it was announced that Oniszczuk had signed with American federation Bellator MMA.[15]

His debut came on October 29, 2022, against Costello van Steenis on the undercard of Bellator 287. Oniszczuk lost the fight via a second-round submission.[16]

His final fight with the federation came on June 16, 2023, against Norbert Növényi Jr.. on the undercard of Bellator 297. Oniszczuk lost the fight via a first-round knockout.[17]

CaveMMA

Oniszczuk returned to his native Poland, where he faced Carlo Prater on March 1, 2024, under the federation CaveMMA. Oniszczuk won the fight via a TKO less than a minute into the first round.[18]

Fight Nation Championship

Oniszczuk made his debut under Croatian federation Fight Nation Championship (FNC) on November 23, 2024, against Andi Vrtačić. Oniszczuk lost the fight via a third-round TKO.[19]

Oktagon MMA

Oniszczuk made his debut under Oktagon MMA on February 1, 2025. His debut was originally scheduled to be against Hojat Khajevand in a reserve bout for the Oktagon Middleweight Tournament.[20] However, he was then moved to face Kerim Engizek in the main event of the event with the bout being in the opening round of the aforementioned tournament. The change was made after Engizek's original opponent, Anthony Salamone was forced to withdraw after failing doping tests, and being suspended by the French Anti-Doping Agency.[21] Oniszczuk lost the fight via a Unanimous Decision.[22]

His next fight came on August 9, 2025, against David Zawada. Oniszczuk won the fight via a Unanimous Decision.[23]

His next fight came on January 17, 2026, against Marek Bartl. Oniszczuk won the fight via a second-round submission.[24]

His next fight came on July 11, 2026, against Mick Stanton. Oniszczuk won the fight via a Unanimous Decision.[25]

Championships and accomplishments

Mixed martial arts

Mixed martial arts record

Professional record breakdown
18 matches 13 wins 5 losses
By knockout 5 2
By submission 2 1
By decision 6 2
By disqualification 0 0
Res. Record Opponent Method Event Date Round Time Location Notes
Win 13–5 Mick Stanton Decision (unanimous) Oktagon 91 July 11, 2026 3 5:00 Cologne, Germany
Win 12–5 Marek Bartl Technical Submission (arm-triangle choke) Oktagon 82 January 17, 2026 2 4:32 Düsseldorf, Germany
Win 11–5 David Zawada Decision (unanimous) Oktagon 74 August 9, 2025 3 5:00 Prague, Czech Republic Oktagon Middleweight Tournament Reserve bout.
Loss 10–5 Kerim Engizek Decision (unanimous) Oktagon 66 February 1, 2025 3 5:00 Düsseldorf, Germany Oktagon Middleweight Tournament Round of 16.
Loss 10–4 Andi Vrtačić TKO (punches) FNC 20 November 23, 2024 3 2:28 Zagreb, Croatia
Win 10–3 Carlo Prater TKO (leg kick) CAVEMMA 4 March 1, 2024 1 0:33 Jastrzębie-Zdrój, Poland
Loss 9–3 Norbert Növényi Jr. KO (punches) Bellator 297 June 16, 2023 1 0:46 Chicago, Illinois, United States
Loss 9–2 Costello van Steenis Submission (brabo choke) Bellator 287 October 29, 2022 2 3:02 Milan, Italy
Win 9–1 Vladimir Fedin TKO (body kick and punches) ACA 133 December 4, 2021 1 1:24 Saint Petersburg, Russia Middleweight debut.
Win 8–1 Krystian Bielski KO (head kick) ACA 114 November 25, 2020 3 1:52 Łódź, Poland Knockout of the Night.
Loss 7–1 Mindaugas Veržbickas Decision (unanimous) ACA 109 August 20, 2020 3 5:00 Łódź, Poland
Win 7–0 Guilherme Cadena TKO (shoulder injury) Babilon MMA 7 January 25, 2019 1 5:00 Żyrardów, Poland
Win 6–0 Said-Magomed Abdulkadyrov Decision (unanimous) Babilon MMA 5 August 18, 2018 3 5:00 Międzyzdroje, Poland
Win 5–0 Maksim Potapov Submission (arm-triangle choke) Babilon MMA 3 March 16, 2018 1 0:53 Radom, Poland
Win 4–0 Paweł Karwowski Decision (unanimous) Babilon MMA 2 December 2, 2017 3 5:00 Legionowo, Poland
Win 3–0 Paweł Szaja Decision (unanimous) MMA Way 1 June 24, 2017 3 5:00 Żary, Poland
Win 2–0 Dominik Szalczyk TKO (punches) Gala Sportów Walki 7 October 15, 2016 3 3:20 Międzychód, Poland
Win 1–0 Bartosz Siwek Decision (unanimous) Soul FC 4 March 12, 2016 3 5:00 Zielona Góra, Poland Welterweight debut.

See also

References

  1. ↑ "Kamil Oniszczuk | MMA Fighter Page". Tapology.
  2. ↑ "Soul FC 4 Medynski vs Gabara". MMA Oracle. 12 March 2016. Retrieved 2026-06-30.
  3. ↑ Magdalena Dubert (16 October 2016). "GSW VII Międzychód – wyniki". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  4. ↑ Magdalena Dubert (25 June 2017). "MMA Way – wyniki gali, Kamil Oniszczuk wygrywa w walce wieczoru". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  5. ↑ "Celiński kontuzjowany. Paweł Karwowski nowym przeciwnikiem Kamila Oniszczuka na Babilon MMA 2". In The Cage (in Polish). 15 November 2017. Retrieved 2026-06-30.
  6. ↑ Bartłomiej Stachura (2 December 2017). "Babilon MMA 2 – wyniki na żywo". Lowking (in Polish). Retrieved 2026-06-30.
  7. ↑ Bartłomiej Stachura (16 March 2018). "Wyniki Babilon MMA 3: Kamil Oniszczuk ekspresowo deklasuje i poddaje Maksyma Potapowa – video". Lowking (in Polish). Retrieved 2026-06-30.
  8. ↑ Bartłomiej Stachura (18 August 2018). "Wyniki Babilon MMA 5: Kamil Oniszczuk pewnie wypunktował Saida-Magomeda Abdulkadirova". Lowking (in Polish). Retrieved 2026-06-30.
  9. ↑ Filip Błachut (25 January 2019). "Babilon MMA 7 – wyniki". In The Cage (in Polish). Retrieved 2026-06-30.
  10. ↑ Maciej Szumkowski (20 August 2020). "MMA. ACA 109. Kamil Oniszczuk - Mindaugas Verzbickas. "Cichy zabójca" zatrzymał polski talent". WP Sportowe Fakty (in Polish). Retrieved 2026-06-30.
  11. ↑ Jakub Madej (26 November 2020). "ACA 114: Co za nokaut! Kamil Oniszczuk wysokim kopnięciem posłał na deski Krystiana Bielskiego". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  12. ↑ Maxim Prikhodko (28 November 2020). "Мгновенный нокаут: боец ММА одним ударом "вырубил" соперника на турнире в Польше (видео)". TSN.ua (in Russian). Retrieved 2026-06-30.
  13. ↑ Tomasz Nowosielski (27 November 2020). "Bonusy po gali ACA 114 rozdane: 10 tysięcy dolarów dla Kamila Oniszczuka!". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  14. ↑ Waldemar Ossowski (4 December 2021). "Polak zdemolował rywala w Rosji. Błyskawiczny triumf [WIDEO]". WP Sporotwe Fakty (in Polish). Retrieved 2026-06-30.
  15. ↑ Artur Mazur (29 March 2022). "Kontrakt podpisany. Kamil Oniszczuk związał się z czołową organizacją MMA na świecie". WP Sportowe Fakty (in Polish). Retrieved 2026-06-30.
  16. ↑ Jan Pęczak (29 October 2022). "MMA Bellator #287. Polak nie sprawił sensację. Costello van Steenis poddał Kamila Oniszczuka". TVP Sport (in Polish). Retrieved 2026-06-30.
  17. ↑ Krzysztof Kordys (17 June 2023). "Bellator 297: Błyskawiczna porażka Kamila Oniszczuka! Polak znokautowany w pierwszej minucie walki". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  18. ↑ Bartłomiej Griese (1 March 2024). "Cave MMA 4 – wyniki gali. Main event odwołany w ostatniej chwili". In The Cage (in Polish). Retrieved 2026-06-30.
  19. ↑ Michał Tkaczuk (23 November 2024). "Kamil Oniszczuk rozbity na gali w Chorwacji (WIDEO)". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  20. ↑ Martyna Celuch (30 December 2024). "Oniszczuk zawalczy z Khajevandem w pojedynku rezerwowym turnieju Oktagonu". In The Cage (in Polish). Retrieved 2026-06-30.
  21. ↑ Pavel Bartos (31 January 2025). "Tak zachráněno! Šampion Kerim Engizek má nového soupeře". MMA Shorties (in Chamorro). Retrieved 2026-06-30.
  22. ↑ Krzysztof Kordys (1 February 2026). "Kamil Oniszczuk pokonany w walce wieczoru OKTAGON 66! Kerim Engizek wyeliminował Polaka z turnieju". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  23. ↑ Jakub Madej (9 August 2025). "Udany powrót Polaka! Kamil Oniszczuk wypunktował Davida Zawadę na OKTAGON 74!". MMA Rocks! (in Polish). Retrieved 2026-06-30.
  24. ↑ Martyna Celuch (17 January 2026). "Oniszczuk udusił Bartla na Oktagon 82 [WIDEO]". In The Cage (in Polish). Retrieved 2026-06-30.
  25. ↑ Bartłomiej Stachura (11 July 2026). "Kamil Oniszczuk lepszy od Micka Stantona na Oktagon 91 w Kolonii". Lowking (in Polish). Retrieved 2026-07-11.
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