Ultimate Fighting Calendar
Bartosz Lesko
Fighter

Bartosz Lesko

17-6-2PolandPolandLast 5
Amateur MMA 0-0-1
NEXT FIGHT

No upcoming fight scheduled.

CAREER SUMMARY

Bartosz Lesko holds a professional MMA record of 17-6-2. Their full professional MMA career spans 25 bouts on record. Bartosz Lesko has won 17 fights: 2 by KO/TKO, 7 by submission, 8 by decision. Of 6 career losses, 3 came by KO/TKO and 1 by submission. Most recent fight: July 18, 2026. Tracked organizations: KSW, ACA.

Profile

Height
6'2"188 cm
Weight
206 lbs93 kg
Reach
79"201 cm
DOB
1996-04-28
Age
30
Nationality
Poland
Birthplace
Gdynia, Poland

Career history

  1. WIN
    vs Rafal Haratyk
    KSWKSW 120 - Haratyk vs. Lesko· Jul 18, 2026· Light Heavyweight· 16-6-2 vs 21-5-2
    UD
    R5 · 5:00
  2. WIN
    vs Bartosz Szewczyk
    KSWKSW 116 - Bartosinski vs. Fleminas· Mar 14, 2026· Light Heavyweight· 15-6-2 vs 9-4-1
    UD
    R3 · 5:00
  3. LOSS
    vs Rafal Haratyk
    KSWKSW 111 - De Fries vs. Vojcak· Oct 18, 2025· Light Heavyweight· 15-5-2 vs 20-5-2
    UD
    R5 · 5:00
  4. WIN
    vs Maciej Rozanski
    KSWKSW 104 - Kuberski vs. Romanowski· Mar 8, 2025· Light Heavyweight· 14-5-2 vs 15-5
    UD
    R3 · 5:00
  5. WIN
    vs Dominik Humburger
    KSWKSW 98 - Paczuski vs. Zerhouni· Sep 14, 2024· Light Heavyweight· 13-5-2 vs 8-1
    UD
    R3 · 5:00
  6. LOSS
    vs Michal Michalski
    KSWKSW 94 - Bartosinski vs. Michaliszyn· May 11, 2024· Middleweight· 13-4-2 vs 11-5
    TKO
    R1 · 1:42
  7. LOSS
    vs Piotr Kuberski
    KSWKSW 88 - Rutkowski vs. Kaczmarczyk· Nov 11, 2023· Middleweight· 13-3-2 vs 12-1
    KO
    R2 · 1:12
  8. WIN
    vs Nemanja Nikolic
    KSWKSW 84 - De Fries vs. Bajor· Jul 15, 2023· Middleweight· 12-3-2 vs 9-0-1
    SUB
    R1 · 4:40
  9. LOSS
    vs Tom Breese
    KSWKSW 80 - Eskiev vs. Ruchala· Mar 17, 2023· Middleweight· 12-2-2 vs 15-4
    SUB
    R1 · 2:45
  10. WIN
    vs Damian Piwowarczyk
    KSWKSW 70 - Pudzianowski vs. Materla· May 28, 2022· Light Heavyweight· 11-2-2 vs 5-0
    UD
    R3 · 5:00
  11. LOSS
    vs Husein Kushagov
    ACAACA 134: Koshkin vs Bagov· Dec 17, 2021· Heavyweight· 11-1-2 vs 15-6
    KO
    R2 · 1:37
  12. WIN
    vs Ibragim Magomedov
    ACAACA 128: Omielańczuk vs Goncharov· Sep 11, 2021· Light Heavyweight· 10-1-2 vs 7-1
    DQ
    R1 · 3:14
  13. WIN
    vs Rene Pessoa
    ACAACA 114: Omielańczuk vs Johnson· Nov 26, 2020· Light Heavyweight· 9-1-2 vs 22-6
    UD
    R3 · 5:00
  14. WIN
    vs Kevin Wiwatowski
    Fight Exclusive Night 25· Jun 15, 2019· Light Heavyweight· 8-1-2 vs 5-6
    SUB
    R1 · 4:16
  15. DRAW
    vs Marcin Naruszczka
    Fight Exclusive Night 24· Mar 16, 2019· Middleweight· 8-1-1 vs 19-9-1
    DEC
  16. WIN
    vs Tomasz Kondraciuk
    Fight Exclusive Night 22· Oct 20, 2018· Middleweight· 7-1-1 vs 12-7
    SUB
    R1 · 4:15
  17. WIN
    vs Kevin Wiwatowski
    Fight Exclusive Night 21· May 25, 2018· Light Heavyweight· 6-1-1 vs 4-5
    SUB
    R1 · 2:53
  18. LOSS
    vs Marcin Naruszczka
    Fight Exclusive Night 20· Mar 10, 2018· Middleweight· 6-0-1 vs 18-8-1
    UD
  19. WIN
    vs Paweł Brandys
    Fight Exclusive Night 19· Oct 14, 2017· Middleweight· 5-0-1 vs 6-4-2
    UD
  20. WIN
    vs Aleksander Rychlik
    Fight Exclusive Night 17· May 12, 2017· Middleweight· 4-0-1 vs 5-2
    SUB
    R2 · 1:18
  21. WIN
    vs Maciej Szydłowski
    Time of Masters· Nov 19, 2016· Middleweight· 3-0-1 vs 0-0
    SUB
    R1 · 2:01
  22. WIN
    vs Tomasz Kubczak
    Time of Masters 2· Mar 12, 2016· Middleweight· 2-0-1 vs 0-0
    TKO
    R2 · 1:21
  23. DRAW
    vs Robert Maciejowski
    MMA Fight Night 4· Dec 19, 2015· Middleweight· 2-0 vs 0-0
    DEC
  24. WIN
    vs Mikołaj Dziąbor
    IFN 1: Let's Begin· Oct 24, 2015· Middleweight· 1-0 vs 0-1
    TKO
    R1 · 3:25
  25. WIN
    vs Marek Michaluk
    Time of Masters 1· Jan 17, 2015· Middleweight· 0-0 vs 0-0
    SUB
    R1 · 2:45

Career history data via Tapology.

Official KSW Ranking

Bartosz Lesko's standing in the official KSW rankings.

Current
Unranked
Peak
Champion Light Heavyweight
First ranked
Aug 11, 2022
Times ranked
8

Middleweight

#1#5#10#152024Dec 1, 2023 · #9Apr 21, 2024 · #10Jun 14, 2024 · #10#10

Light Heavyweight

C#5#10#152023202420252026Aug 11, 2022 · #4Oct 31, 2022 · #5Dec 7, 2022 · #5Aug 1, 2026 · CC

View full KSW rankings →

UFCalendar Power Index rating

Current
1689▲14
Peak
1727Sep 11, 2021
Rated fights
23
150016001700201620182020202220242026Jan 17, 2015 · 1541Oct 24, 2015 · 1574Mar 12, 2016 · 1606Nov 19, 2016 · 1635May 12, 2017 · 1670Oct 14, 2017 · 1691Mar 10, 2018 · 1671May 25, 2018 · 1682Oct 20, 2018 · 1700Jun 15, 2019 · 1710Nov 26, 2020 · 1706Sep 11, 2021 · 1727Dec 17, 2021 · 1688May 28, 2022 · 1712Mar 17, 2023 · 1680Jul 15, 2023 · 1708Nov 11, 2023 · 1681May 11, 2024 · 1648Sep 14, 2024 · 1661Mar 8, 2025 · 1672Oct 18, 2025 · 1665Mar 14, 2026 · 1675Jul 18, 2026 · 16891689

See the full Power Index →

Frequently asked questions

When does Bartosz Lesko fight next?

Bartosz Lesko has no confirmed upcoming fight.

What is Bartosz Lesko's record?

Bartosz Lesko's professional MMA record is 17-6-2.

Who is Bartosz Lesko fighting next?

Bartosz Lesko's next opponent has not been announced.

Who did Bartosz Lesko fight last?

Bartosz Lesko most recently fought Rafal Haratyk at KSW 120 - Haratyk vs. Lesko on Saturday, July 18, 2026, WIN (Unanimous Decision).

What weight class does Bartosz Lesko fight in?

Bartosz Lesko fights at Light Heavyweight.

How many knockouts does Bartosz Lesko have?

Bartosz Lesko has 2 wins by KO/TKO and 7 wins by submission.

How tall is Bartosz Lesko?

Bartosz Lesko is 6'2" (188 cm) tall.

How much does Bartosz Lesko weigh?

Bartosz Lesko weighs 206 lbs (93 kg).

What is Bartosz Lesko's reach?

Bartosz Lesko has a reach of 79" (201 cm).

How old is Bartosz Lesko?

Bartosz Lesko is 30 years old (born Apr 28, 1996).

Where is Bartosz Lesko from?

Bartosz Lesko is from Poland.