Mateusz Kubiszyn

Mateusz Kubiszyn
Born (1991-07-18) 18 July 1991
Lubaczów, Poland
NicknameDon Diego
NationalityPolish
Height1.82 m (5 ft 11+12 in)
Weight90 kg (198 lb; 14 st 2 lb)
DivisionHeavyweight
StanceOrthodox
Fighting out ofRzeszów, Poland
TeamKlub Sportów Walki „Sokół” Jarosław
KKS Sporty Walki Poznań
ZKS Stal Rzeszów
Ankos MMA
Years active2016 - present
Professional boxing record
Total7
Wins3
By knockout2
Losses4
Kickboxing record
Total10
Wins5
By knockout0
Losses4
By knockout0
Draws1
Mixed martial arts record
Total2
Wins1
By knockout0
Losses1
By knockout0
Other information
Boxing record from BoxRec
Mixed martial arts record from Sherdog

Mateusz Kubiszyn (born 18 July 1991) is a Polish bare-knuckle boxer, kickboxer, and former mixed martial artist, and professional boxer. He is the current Gromda Heavyweight Champion. He is currently ranked #1 pound for pound globally in bare-knuckle boxing according to BoxRec.[1]

Kickboxing career

Early career

Kubiszyn made his professional debut on December 16, 2016, against Maksymilian Bratkowicz. Kubiszyn won the fight via a Unanimous Decision.[2]

His next fight came on September 29, 2017, against Damian Pasiek. Kubiszyn won the fight via a Unanimous Decision.[3]

His next fight came on December 8, 2017, against Yurii Zubchuk. Kubiszyn lost the fight via a Unanimous Decision.

He faced Maksymilian Bratkowicz in a rematch for the DSF Light Heavyweight Championship on February 3, 2018. Kubiszyn lost the fight via a Unanimous Decision.[4]

PZKB Light Heavyweight Champion

He faced Kacper Frątczak for the PZKB Light Heavyweight Championship on June 16, 2018. Kubiszyn won the fight via a Split Decision, winning his first career championship in the process.[5]

Fight Exclusive Night

Kubiszyn made his debut under Fight Exclusive Night on October 20, 2018, against Łukasz Radosz. Kubiszyn lost the fight via a Unanimous Decision.[6]

Wirtuoz Challenge

Kubiszyn made his debut under local federation Wirtuoz Challenge on April 6, 2019, against Tomasz Konieczny. Kubiszyn won the fight via a Unanimous Decision.[7]

Halny Fighting Organization

Kubiszyn made his debut under Halny Fighting Organization on September 20, 2019, against Bartłomiej Domalik. The fight ended in a Unanimous Draw.[8]

High League

After a four-year hiatus, Kubiszyn returned on March 18, 2023, against Dawid Załęcki. Kubiszyn won the fight via a Unanimous Decision.[9]

Fame MMA

Kubiszyn made his debut under Fame MMA on October 4, 2024, against Michał Pasternak. Kubiszyn lost the fight via a Split Decision.[10]

Professional boxing record

Kubiszyn made his professional boxing debut on September 15, 2018, against Paweł Kochański. Kubiszyn won the fight via a Points Decision.[11]

His next fight came on March 23, 2019, against Mariusz Nowak. Kubiszyn won the fight via a second-round corner retirement.[12]

His next fight came on May 11, 2019, against Roman Fress. Kubiszyn lost the fight via a Unanimous Decision.[13]

His next fight came on August 3, 2019, against Damien Sullivan under the federation Top Rank. Kubiszyn won the fight via a first-round TKO.[14]

His next fight came on November 2, 2019, against Ralfs Vilcans. Kubiszyn lost the fight via a Split Decision.[15]

His next fight came on January 28, 2020, against Salar Gholami. Kubiszyn lost the fight via a Unanimous Decision.[16]

His final fight came on July 25, 2020, against Adam Balski. Kubiszyn lost the fight via a Unanimous Decision.[17]

Mixed martial arts career

Kubiszyn made his MMA debut on June 20, 2022, against Denis Załęcki. Kubiszyn won the fight via a Unanimous Decision.[18]

His next fight came on December 10, 2022, against Damian Janikowski. Kubiszyn lost the fight via a Unanimous Decision.[19]

Bare-knuckle boxing career

Kubiszyn made his bare-knuckle boxing debut on August 28, 2020, where he competed in the second Gromda tournament. In the first round, he faced Artur Tomala. Kubiszyn won the fight via a second-round knockout.[20] In the semifinals, he faced Rafał Łazarek. Kubiszyn won the fight via a fifth-round retirement.[21] In the final, he faced Dawid Żółtaszek. Kubiszyn won the fight via a second-round TKO due to a doctor stoppage, winning the tournament in the process.[22]

He faced Krystian Kuźma, who won the first tournament during the inaugural event in a Grand Final, in which he competed as the champion of the aforementioned tournament on December 11, 2020. Kubiszyn won the fight via a third-round knockout, once again winning the same tournament.[23]

His next fight came on May 7, 2021, against Paweł Strzelczyk. The bout was originally ruled a no contest following an illegal blow.[24] This was later changed to a TKO victory for Kubiszyn.

His next fight came on September 2, 2022, against Vasyl Halych. Kubiszyn won the fight via a fifth-round corner retirement. This performance earned him his first Fight of the Night bonus.[25]

Gromda Heavyweight Champion

Kubiszyn faced Bartłomiej Domalik for the Gromda Heavyweight Championship on May 26, 2023. The two previously met four years prior in a kickboxing bout. Kubiszyn won the fight via fifth-round corner retirment, winning his first bare-knuckle boxing championship in the process.[26]

His first title defense came on December 1, 2023, against Łukasz Parobiec. Kubiszyn won the fight via a second-round corner retirement, successfully defending his title.[27]

His second title defense came on May 31, 2024, in a rematch against Bartłomiej Domalik. Kubiszyn won the fight via a fourth-round knockout.[28]

His third title defense came on March 7, 2025, against Jakub Słomka. Kubiszyn won the fight via a fifth-round corner retirement.[29]

Championships and accomplishments

Kickboxing

  • PZKB Light Heavyweight Championship (One time; former)

Bare-knuckle boxing

  • Gromda Heavyweight Championship (One time; current)
    • Three successful title defenses
  • Fight of the Night (One time)

Mixed martial arts record

Professional record breakdown
2 matches 1 win 1 loss
By decision 1 1
Res. Record Opponent Method Event Date Round Time Location Notes
Loss 1–1 Damian Janikowski Decision (unanimous) High League 5 December 10, 2022 3 5:00 Łódź, Poland Catchweight (198 lb) bout.
Win 1–0 Denis Załęcki Decision (unanimous) High League 3 June 20, 2022 3 5:00 Warsaw, Poland Heavyweight debut.

Professional boxing record

7 fights 3 wins 4 losses
By knockout 2 0
By decision 1 4
No. Result Record Opponent Type Round, time Date Location Notes
7 Loss 3–4 Adam Balski UD 6 25 Jul 2020 Amfiteatr Miejski, Augustów, Poland
6 Loss 3–3 Salar Gholami UD 4 28 Jan 2020 Danforth Music Hall, Toronto, Canada
5 Loss 3–2 Ralfs Vilcans SD 6 2 Nov 2019 Arena Riga, Riga, Latvia
4 Win 3–1 Damien Sullivan TKO 1 (4), 2:34 3 Aug 2019 Falls Park, Belfast, Northern Ireland
3 Loss 2–1 Roman Fress UD 6 11 May 2019 Stadthalle, Magdeburg, Germany
2 Win 2–0 Mariusz Nowak RTD 2 (4), 3:00 23 Mar 2019 Miejska Hala Sportowa, Świebodzin, Poland
1 Win 1–0 Paweł Kochański PTS 4 15 Sep 2018 Poznań, Poland

Bare-knuckle boxing record

Professional record breakdown
10 matches 10 wins 0 losses
By knockout 10 0
By decision 0 0
Res. Record Opponent Method Event Date Round Time Location Notes
Win 10–0 Jakub Słomka TKO (corner retirement) Gromda 20: Stara Szkoła March 7, 2025 5 11:37 Pionki, Poland Defended the Gromda Heavyweight Championship.
Win 9–0 Bartłomiej Domalik KO (punches) Gromda 17: Vabank May 31, 2024 4 1:56 Pionki, Poland Defended the Gromda Heavyweight Championship.
Win 8–0 Łukasz Parobiec TKO (corner retirement) Gromda 15: Podziemny Krąg December 1, 2023 2 0:22 Pionki, Poland Defended the Gromda Heavyweight Championship.
Win 5–0 Bartłomiej Domalik TKO (corner retirement) Gromda 13: Don Diego vs. Balboa May 26, 2023 5 1:10 Pionki, Poland Won the Gromda Heavyweight Championship.
Win 6–0 Vasyl Halych TKO (corner retirement) Gromda 10: Don Diego vs. Vasyl September 2, 2022 5 8:48 Pionki, Poland Fight of the Night.
Win 5–0 Paweł Strzelczyk TKO (punch) Gromda 5 May 7, 2021 2 N/A Pionki, Poland Originally ruled a no contest; later overruled to Kubiszyn victory.
Win 4–0 Krystian Kuźma KO (punch) Gromda 3: Tyson vs. Don Diego December 11, 2020 3 1:44 Pionki, Poland Won the Gromda Grand Final.
Win 3–0 Dawid Żółtaszek TKO (doctor stoppage) Gromda 2 August 28, 2020 2 N/A Warsaw, Poland Won the Gromda Tournament #1.
Win 2–0 Rafał Łazarek TKO (retirement) 5 4:36 Gromda Tournament #1 Semifinal.
Win 1–0 Artur Tomala KO (punch) 2 N/A Gromda Tournament #1 Quarterfinal.

Kickboxing record

Professional kickboxing record
7 Wins (0 (T)KOs), 5 Losses, 1 Draw
Date Result Opponent Event Location Method Round Time
2025-07-12 Loss Denis Labryga Fame 26: Gold Warsaw, Poland Decision (technical) 1 10:02
2025-07-12 Win Tomasz Sarara Fame 26: Gold Warsaw, Poland Decision (unanimous) 3 3:00
Win Kamil Minda Decision (unanimous) 3 3:00
Fame MMA Golden Tournament.
2024-10-04 Loss Michał Pasternak Fame: The Freak Szczecin, Poland Decision (split) 3 3:00
2023-03-18 Win Dawid Załęcki High League 6 Katowice, Poland Decision (unanimous) 3 3:00
2019-09-20 Draw Bartłomiej Domalik HFO Spartan Night Jasło, Poland Draw (unanimous) 4 3:00
2019-04-06 Win Tomasz Konieczny Wirtuoz Challenge 2 Wolbórz, Poland Decision (unanimous) 3 3:00
2018-10-20 Loss Łukasz Radosz Fight Exclusive Night 22 Poznań, Poland Decision (unanimous) 3 3:00
2018-06-16 Win Kacper Frątczak Kickboxing Masters Fight Series Mysiadło, Poland Decision (split) 3 3:00
Wins the PZKB Light Heavyweight Championship.
2018-02-03 Loss Maksymilian Bratkowicz DSF Kickboxing Challenge 13 Wrocław, Poland Decision (unanimous) 5 3:00
For the DSF Light Heavyweight (86 kg) Championship.
2017-12-08 Loss Yurii Zubchuk DSF – Międzynarodowy Mecz K-1 Polska vs. Ukraina Rivne, Ukraine Decision (unanimous) 40 3:00
2017-09-29 Win Damian Pasiek DSF Eliminator Ząbki, Poland Decision (unanimous) 3 3:00
2016-12-16 Win Maksymilian Bratkowicz DSF Kickboxing Challenge Warsaw, Poland Decision (unanimous) 3 3:00

References

  1. ^ "BoxRec: Ratings". BoxRec. 7 December 2025. Retrieved 7 December 2025.
  2. ^ "Mateusz Kubiszyn wygrał swoją pierwszą walkę na zawodowym ringu". eLubaczów (in Polish). 16 December 2016. Retrieved 7 December 2025.
  3. ^ "Mateusz Kubiszyn: Walcząc full-contactowo można wygrywać w K-1! Wywiad!". Fight Sport (in Polish). 1 October 2017. Retrieved 7 December 2025.
  4. ^ Rafał Hałada (7 February 2018). "DSF Kickboxing Challenge 13: Zwycięstwa Bratkowicza i Turyński oraz porażka Biszczaka [Wyniki gali]". Polski Sport (in Polish). Retrieved 7 December 2025.
  5. ^ Tomasz Majewski (18 June 2018). "Masters Fight Series Lesznowola: Mateusz Kubiszyn i czwórka Polaków z pasami PZKB! Wyniki". Fight Sport (in Polish). Retrieved 7 December 2025.
  6. ^ Marcin Trzyna (23 October 2018). "Fight Exclusive Night 22: Lubaczowianin Mateusz Kubiszyn przegrał z Łukaszem Radoszem w formule K-1". Nowiny24 (in Polish). Retrieved 7 December 2025.
  7. ^ "Kolejne zwycięstwo Mateusza Kubiszyna w formule K-1". eLubaczów (in Polish). 9 April 2019. Retrieved 7 December 2025.
  8. ^ Bartosz Cieśla (21 September 2019). "HFO Spartan Night – wyniki. Spektakularny nokaut na gali w Jaśle [WIDEO]". mma.pl (in Polish). Retrieved 7 December 2025.
  9. ^ Maciej Zimny (18 March 2023). "HIGH League 6: „Don Diego" wygrywa z Dawidem Załęckim. Mateusz Kubiszyn z pełną kontrolą!". MMA Rocks! (in Polish). Retrieved 7 December 2025.
  10. ^ "Michał "Wampir" Pasternak wygrywa z Mateuszem "Don Diego" Kubiszynem!". Środowisko Miejskie (in Polish). 4 October 2024. Retrieved 7 December 2025.
  11. ^ "Mateusz Kubiszyn wygraną zadebiutował na zawodowym ringu bokserskim". eLubaczów (in Polish). 19 September 2018. Retrieved 8 December 2025.
  12. ^ Marcin Trzyna (24 March 2019). "Boks. Podczas gali Świebodzin Boxing Night triumfowali Maciej Ważny i Mateusz Kubiszyn". Nowiny24 (in Polish). Retrieved 8 December 2025.
  13. ^ "BoxRec: Bout". BoxRec. 11 May 2019. Retrieved 8 December 2025.
  14. ^ "BoxRec: Bout". BoxRec. 3 August 2019. Retrieved 8 December 2025.
  15. ^ "BoxRec: Bout". BoxRec. 2 November 2019. Retrieved 8 December 2025.
  16. ^ "BoxRec: Bout". BoxRec. 28 January 2020. Retrieved 8 December 2025.
  17. ^ Wito (26 July 2020). "Adam Balski pokonał Mateusza Kubiszyna na gali Knockout Boxing Night #11". MMA Rocks! (in Polish). Retrieved 8 December 2025.
  18. ^ Artur Babicz (20 June 2022). "Potężny konflikt rozstrzygnięty. Takiej walki w Polsce jeszcze nie było". WP Sportowe Fakty (in Polish). Retrieved 8 December 2025.
  19. ^ Bartłomiej Stachura (10 December 2022). "Dominacja! Damian Janikowski pokonał Mateusza Kubiszyna!". Lowking (in Polish). Retrieved 8 December 2025.
  20. ^ Krzysztof Kordys (28 August 2020). "GROMDA 2: Szalona walka! „Don Diego" znokautował „Chuligana" w ćwierćfinale turnieju!". MMA Rocks! (in Polish). Retrieved 8 December 2025.
  21. ^ Maciej Szumowski (28 August 2020). "GROMDA 2. "Łazar" - "Don Diego". Mateusz Kubiszyn pokonał Rafała Łazarka po wojnie!". WP Sportowe Fakty (in Polish). Retrieved 8 December 2025.
  22. ^ Mateusz Paczkowski (28 August 2020). "Finał GROMDA 2 – Sensacja! „Don Diego" znokautował „Maximusa"!". mma.pl (in Polish). Retrieved 8 December 2025.
  23. ^ Maciej Szumowski (11 December 2020). "GROMDA 3. "Tyson" - "Don Diego". Nieprawdopodobny finał. Mateusz Kubiszyn rozbił Krystiana Kuźmę!". WP Sportowe Fakty (in Polish). Retrieved 8 December 2025.
  24. ^ Krzysztof Kordys (7 May 2021). "GROMDA 5: No Contest w starciu DON DIEGO z BYKIEM! Walka zakończona po groźnym ciosie w gardło". MMA Rocks! (in Polish). Retrieved 8 December 2025.
  25. ^ Krzysztof Kordys (2 September 2022). "GROMDA 10: Niesamowity bój w walce mistrzów! DON DIEGO lepszy od VASYLA, Kubiszyn zawalczy o pas!". MMA Rocks! (in Polish). Retrieved 8 December 2025.
  26. ^ Bartosz Sobczak (26 May 2023). "GROMDA 13: Don Diego pokonał Balboę i pozostał niepokonany! Kubiszyn mistrzem!". MyMMA (in Polish). Retrieved 8 December 2025.
  27. ^ Jakub Madej (1 December 2023). "GROMDA 15: Mistrz „DON DIEGO" wciąż niepokonany! „GOAT" poddany przez narożnik". MMA Rocks! (in Polish). Retrieved 8 December 2025.
  28. ^ Szymon Zawada (31 May 2024). "Kto wygrał walkę Don Diego vs Balboa 2 na Gromda 17?". Zawód Typer (in Polish). Retrieved 8 December 2025.
  29. ^ Krzysztof Kordys (7 March 2025). "DON DIEGO pokonał SŁOMKĘ i obronił pas GROMDA! Koncert Mateusza Kubiszyna!". MMA Rocks! (in Polish). Retrieved 8 December 2025.