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Jacek Czajczynski

"HULK"
8-10-1PolandPolandLast 5

Last fight: Loss vs Danylo Kartavyi · Unanimous Decision · Mar 28, 2026

LAST FIGHT
LOSSvs Zelimkhan UmievDEC
ACAACA 10: BYE 10·October 20, 2019

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CAREER SUMMARY

Jacek Czajczynski holds a professional MMA record of 8-10-1. Czajczynski has 20 professional MMA bouts on record. Czajczynski has won 8 fights: 1 by KO/TKO, 3 by submission, 4 by decision. Of 11 career losses, 3 came by KO/TKO and 1 by submission. Most recent fight: October 20, 2019. Tracked organizations: ACA.

Profile

Height
6'3"191 cm
Weight
262 lbs119 kg
DOB
Mar 1, 1981
Age
45
Nationality
Poland
Birthplace
Czestochowa, Poland

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Recent & upcoming opponents

Career history

  1. LOSS
    vs Danylo Kartavyi
    FEN 62: Bartnik vs. Błachuta· Mar 28, 2026· Heavyweight· 8-10-1 vs 2-0-1
    UD
  2. WIN
    vs Lukasz Parobiec
    Strife 17· Dec 19, 2025· Heavyweight· 8-9-1 vs 14-11-2
    SUB
  3. LOSS
    vs Mateusz Olech
    FEN 58: Bartnik vs. Jędraszczyk 2· Mar 1, 2025· Heavyweight· 7-9-1 vs 5-1
    UD
  4. LOSS
    vs Zelimkhan Umiev
    ACA 10: BYE 10· Oct 20, 2019· Heavyweight· 7-9-1 vs 12-3-0
    DEC
  5. LOSS
    vs Luis Santos
    Real 3· Dec 5, 2015· Heavyweight· 7-8-1 vs 1-0
    UD
  6. LOSS
    vs Zelimkhan Umiev
    ACA · ACB 10 - Coliseum Time· Oct 4, 2014· Heavyweight· 7-7-1 vs 5-0
    UD
    R3 · 5:00
  7. WIN
    vs Szymon Bajor
    Pro MMA Challenge 1· Mar 1, 2014· Heavyweight· 7-6-1 vs 13-5
    MD
  8. DRAW
    vs Ken Hasegawa
    Real Fight MMA Championship 3· Oct 20, 2013· Heavyweight· 6-6-1 vs 9-0-1
    DEC
  9. LOSS
    vs Michał Włodarek
    Fighters Arena 8· May 24, 2013· Heavyweight· 6-6 vs 5-0
    UD
  10. WIN
    vs Michał Pukin
    Fighters Arena 6· Mar 2, 2013· Heavyweight· 6-5 vs 3-1
    SUB
    R2 · 0:45
  11. WIN
    vs Michal Andryszak
    Fighters Arena 4· Nov 24, 2012· Heavyweight· 5-5 vs 5-2
    SUB
    R3 · 3:20
  12. WIN
    vs Temistokles Teresiewicz
    Fighters Arena 3· Sep 29, 2012· Heavyweight· 4-5 vs 2-5-2
    UD
  13. WIN
    vs Abakhar Kaplanov
    ProFC 16: Union Nation Cup (Stage 7)· Aug 5, 2010· Heavyweight· 3-5 vs 0-1
    SD
  14. WIN
    vs Unknown opponent
    Poland Regional· May 28, 2010· 2-5
    TKO
  15. LOSS
    vs Artur Głuchowski
    Ring XF· Mar 13, 2010· 1-4 vs 3-3
    DEC
  16. LOSS
    vs Michał Włodarek
    Ring XF· Mar 13, 2010· 1-4 vs 1-0
    TKO
  17. LOSS
    vs Michal Fijalka
    Poland Regional· Jun 24, 2007· 1-3 vs 1-0
    TKO
  18. LOSS
    vs Przemysław Biskup
    Poland Regional· Jan 15, 2006· 1-2 vs 4-1
    SUB
  19. WIN
    vs Andrzej Kulik
    Poland Regional· Oct 9, 2005· 1-1 vs 2-6
    DEC
  20. LOSS
    vs Rafał Dąbrowski
    Poland Regional· May 28, 2005· 0-1 vs 4-0
    TKO

UFCalendar Power Index rating

Current
1491▼18
Peak
1533Mar 1, 2014
Rated fights
18
1400145015001550200620102014201820222026May 28, 2005 · 1459Oct 9, 2005 · 1484Jan 15, 2006 · 1450Jun 24, 2007 · 1421Mar 13, 2010 · 1429Mar 13, 2010 · 1403Aug 5, 2010 · 1413Sep 29, 2012 · 1460Nov 24, 2012 · 1493Mar 2, 2013 · 1525May 24, 2013 · 1511Mar 1, 2014 · 1533Oct 4, 2014 · 1521Dec 5, 2015 · 1502Oct 20, 2019 · 1491Mar 1, 2025 · 1481Dec 19, 2025 · 1509Mar 28, 2026 · 14911491

See the full Power Index →

Frequently asked questions

When does Jacek Czajczynski fight next?

Jacek Czajczynski has no confirmed upcoming fight.

What is Jacek Czajczynski's record?

Jacek Czajczynski's professional MMA record is 8-10-1.

Who is Jacek Czajczynski fighting next?

Jacek Czajczynski's next opponent has not been announced.

Who did Jacek Czajczynski fight last?

Jacek Czajczynski most recently fought Zelimkhan Umiev at ACA 10: BYE 10 on Sunday, October 20, 2019, LOSS (Decision).

What weight class does Jacek Czajczynski fight in?

Jacek Czajczynski fights at Heavyweight.

How many knockouts does Jacek Czajczynski have?

Jacek Czajczynski has 1 win by KO/TKO and 3 wins by submission.

How tall is Jacek Czajczynski?

Jacek Czajczynski is 6'3" (191 cm) tall.

How much does Jacek Czajczynski weigh?

Jacek Czajczynski weighs 262 lbs (119 kg).

How old is Jacek Czajczynski?

Jacek Czajczynski is 45 years old (born Mar 1, 1981).

Where is Jacek Czajczynski from?

Jacek Czajczynski is from Poland.

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