Bartosz Leśko

Bartosz Leśko
BornBartosz Leśko
(1996-04-28) 28 April 1996
Gdynia, Poland
Height6 ft 2 in (1.88 m)
Weight205 lb (93 kg; 14 st 9 lb)
Division
Reach78.7 in (200 cm)[1]
StyleKarate
Fighting out ofGdynia, Poland
TeamMighty Bulls Gdynia
Years active2015–present
Mixed martial arts record
Total25
Wins17
By knockout2
By submission7
By decision7
By disqualification1
Losses6
By knockout3
By submission1
By decision2
Draws2
Other information
Mixed martial arts record from Sherdog

Bartosz Leśko (born 28 April 1996) is a Polish professional mixed martial artist. He is the current KSW Light Heavyweight champion. He has previously competed on Absolute Championship Akhmat (ACA) and Fight Exclusive Night (FEN MMA).

Professional career

Early career

Leśko made his professional debut on January 17, 2015, against Marek Michaluk. Leśko won the fight via a first-round submission.[2]

His next fight came on October 24, 2015, against Mikołaj Dziąbor. Leśko won the fight via a first-round TKO.[3]

His next fight came on December 19, 2015, against Robert Maciejowski. The bout ended in a Majority Draw.[4]

Time of Masters

Leśko returned to Time of Masters, the federation which he made his professional debut under, on March 12, 2016, against Tomasz Kubczak. Leśko won the fight via a second-round TKO.[5]

His next fight came on November 19, 2016, against Maciej Szydłowski. Leśko won the fight via a first-round submission.[6]

Fight Exclusive Night

Leśko made his debut under Fight Exclusive Night (FEN MMA) on May 12, 2017, against Aleksander Rychlik. Leśko won the fight via a second-round submission.[7] This performance earned him his first career Submission of the Night bonus.[8]

His next fight came on October 14, 2017, against Paweł Brandys. Leśko won the fight via a Unanimous Decision.[9]

His next fight came on March 10, 2018, against Marcin Naruszczka. Leśko lost the fight via a Unanimous Decision, suffering his first career defeat in the process.[10]

His next fight came on May 25, 2018 against Kevin Wiwatowski. Leśko won the fight via a first-round submission.[11]

His next fight came on October 20, 2018, against Tomasz Kondraciuk. Leśko won the fight via a first-round submission.[12] This performance earned him his second career Submission of the Night bonus.[13]

His next fight came on March 16, 2019, in a rematch against Marcin Naruszczka. The bout ended in a Split Draw.[14]

His final fight with the federation came on June 15, 2019, in a rematch against Kevin Wiwatowski. Leśko won the fight via a first-round submission.[15]

Absolute Championship Akhmat

Leśko made his debut under Russian federation Absolute Championship Akhmat on November 26, 2020, against Rene Pessoa. Leśko won the fight via a Unanimous Decision.[16]

His next fight came on September 11, 2021, against Ibragim Magomedov. Leśko won the fight via a first-round disqualification, after Magomedov landed an illegal knee.[17]

His final fight with the federation came on December 17, 2021, against Khusein Kushagov. Leśko lost the fight via a second-round knockout.[18]

Konfrontacja Sztuk Walki

On May 11, 2022, it was announced that Leśko had signed a contract with Konfrontacja Sztuk Walki (KSW).[19]

His first fight with the federation came two weeks later on May 28, against Damian Piwowarczyk. Leśko won the fight via a Unanimous Decision.[20]

His next fight came on March 17, 2023, against Tom Breese. Leśko lost the fight via a first-round submission.[21]

His next fight came on July 15, 2023, against Nemanja Nikolić. Leśko won the fight via a first-round submission.[22] This performance earned him his third career Submission of the Night bonus.[23]

His next fight came on November 11, 2023, against Piotr Kuberski. Leśko lost the fight via a third-round TKO.[24]

His next fight came on May 11, 2024, against Michał Michalski. Leśko lost the fight via a first-round TKO.[25]

His next fight came on September 14, 2024, against Dominik Humburger, stepping in on fight night for a medically uncleared Bogdan Gnidko. Leśko won the fight via a Unanimous Decision.[26] This performance earned him his first Performance of the Night bonus.[27]

His next fight came on March 8, 2025, against Maciej Różański. Leśko won the fight via a Unanimous Decision.[28]

Leśko faced Rafał Haratyk for Haratyk's KSW Light Heavyweight Championship on October 18, 2025. Leśko lost the fight via a Unanimous Decision, thus failing to capture the championship.[29]

His next fight came on March 14, 2026, against Bartosz Szewczyk. Leśko won the fight via a Unanimous Decision.[30]

KSW Light Heavyweight Champion

Leśko faced Rafał Haratyk in a rematch for Haratyk's KSW Light Heavyweight Championship on July 18, 2026. Leśko won the fight via a Unanimous Decision, winning his first career championship in the process.[31] This performance earned him his first Fight of the Night bonus.

Championships and accomplishments

Mixed martial arts

Konfrontacja Sztuk Walki

Fight Exclusive Night

  • Submission of the Night (Two times)

Mixed martial arts record

Professional record breakdown
25 matches 17 wins 6 losses
By knockout 2 3
By submission 7 1
By decision 7 2
By disqualification 1 0
Draws 2
Res. Record Opponent Method Event Date Round Time Location Notes
Win 17–6–2 Rafał Haratyk Decision (unanimous) KSW 120 July 18, 2026 5 5:00 Gdynia, Poland Won the KSW Light Heavyweight Championship. Fight of the Night.
Win 16–6–2 Bartosz Szewczyk Decision (unanimous) KSW 116 March 14, 2026 3 5:00 Gorzów Wielkopolski, Poland
Loss 15–6–2 Rafał Haratyk Decision (unanimous) KSW 111 October 18, 2025 5 5:00 Třinec, Czech Republic For the KSW Light Heavyweight Championship.
Win 15–5–2 Maciej Różański Decision (unanimous) KSW 104 March 8, 2025 3 5:00 Gorzów Wielkopolski, Poland
Win 14–5–2 Dominik Humburger Decision (unanimous) KSW 98 September 14, 2024 3 5:00 Lubin, Poland Return to Light Heavyweight. Performance of the Night.
Loss 13–5–2 Michał Michalski TKO (punches) KSW 94 May 11, 2024 1 1:46 Gdańsk, Poland
Loss 13–4–2 Piotr Kuberski KO (punches) KSW 88 November 11, 2023 3 1:11 Radom, Poland
Win 13–3–2 Nemanja Nikolić Submission (rear-naked choke) KSW 84 July 15, 2023 1 4:40 Gdynia, Poland Submission of the Night.
Loss 12–3–2 Tom Breese Submission (rear-naked choke) KSW 80 March 17, 2023 1 2:45 Lubin, Poland
Win 12–2–2 Damian Piwowarczyk Decision (unanimous) KSW 70 May 28, 2022 3 5:00 Łódź, Poland Light Heavyweight bout.
Loss 11–2–2 Khusein Kushagov KO (punch) ACA 134 December 17, 2021 2 1:37 Krasnodar, Russia
Win 11–1–2 Ibragim Magomedov DQ (illegal knee) ACA 128 September 11, 2021 1 3:14 Minsk, Belarus
Win 10–1–2 Rene Pessoa Decision (unanimous) ACA 114 November 26, 2020 3 5:00 Łódź, Poland Catchweight (188 lb) bout.
Win 9–1–2 Kevin Wiwatowski Submission (rear-naked choke) Fight Exclusive Night 25 June 15, 2019 1 4:16 Ostróda, Poland Light Heavyweight bout.
Draw 8–1–2 Marcin Naruszczka Draw (split) Fight Exclusive Night 24 March 16, 2019 3 5:00 Warsaw, Poland
Win 8–1–1 Tomasz Kondraciuk Submission (rear-naked choke) Fight Exclusive Night 22 October 20, 2018 1 4:15 Poznań, Poland Return to Middleweight. Submission of the Night.
Win 7–1–1 Kevin Wiwatowski Submission (rear-naked choke) Fight Exclusive Night 21 May 25, 2018 1 2:53 Wrocław, Poland Light Heavyweight debut.
Loss 6–1–1 Marcin Naruszczka Decision (unanimous) Fight Exclusive Night 20 March 10, 2018 3 5:00 Warsaw, Poland
Win 6–0–1 Paweł Brandys Decision (unanimous) Fight Exclusive Night 19 October 14, 2017 3 5:00 Wrocław, Poland
Win 5–0–1 Aleksander Rychlik Submission (rear-naked choke) Fight Exclusive Night 18 May 12, 2017 2 1:18 Gdynia, Poland Submission of the Night.
Win 4–0–1 Maciej Szydłowski Submission (rear-naked choke) Time of Masters: Siemmce Fight Night November 19, 2016 1 2:01 Siemianowice Śląskie, Poland
Win 3–0–1 Tomasz Kubczak TKO (punches) Time of Masters 2 March 12, 2016 2 1:21 Sopot, Poland
Draw 2–0–1 Robert Maciejowski Draw (majority) MMA Fight Night 4 December 19, 2015 3 5:00 Kołczewo, Poland
Win 2–0 Mikołaj Dziąbor TKO (punches) Incredible Fighting Night 1 October 24, 2015 1 3:25 Częstochowa, Poland
Win 1–0 Marek Michaluk Submission (rear-naked choke) Time of Masters 1 January 17, 2015 1 2:45 Sopot, Poland Middleweight debut.

See also

References

  1. ↑ "Bartosz Leśko | MMA Fighter Page". Tapology.
  2. ↑ "Wyniki gali „Time of Masters: Pierwsza krew"". ST Sport (in Polish). 17 January 2015. Retrieved 2026-07-21.
  3. ↑ "Incredible Fighting Night 1 (IFN 1): wyniki na żywo!". FightSportPL (in Polish). 24 October 2015. Retrieved 2026-07-21.
  4. ↑ FightSportPL (28 December 2015). "Bartosz Leśko po walce na MMA Fight Night IV Marena SPA". YouTube (in Polish). Retrieved 2026-07-21.
  5. ↑ "Time of Masters 2 - Real Force". Sherdog. 12 March 2016. Retrieved 2026-07-21.
  6. ↑ "Bartosz Leśko nadal niepokonany! Zwycięża na Time of Masters w Siemianowicach Śląskich". Strefa Sztuk Walki (in Polish). 20 November 2016. Retrieved 2026-07-21.
  7. ↑ Bartłomiej Stachura (12 May 2017). "FEN 17 – wyniki i relacja na żywo". Lowking (in Polish). Retrieved 2026-07-21.
  8. ↑ Anna Olszewska (15 May 2017). "Bonusy po gali FEN 17 rozdane!". mma.pl (in Polish). Retrieved 2026-07-21.
  9. ↑ "FEN 19: Bartosz Leśko wygrywa z Pawłem Brandysem!". Strefa Sztuk Walki (in Polish). 14 October 2017. Retrieved 2026-07-21.
  10. ↑ Monika Bobrycka (10 March 2018). "FEN 20: Marcin Naruszczka jednogłośnie na punkty wygrywa z Bartoszem Leśko". mma.pl (in Polish). Retrieved 2026-07-21.
  11. ↑ Krystian Młynarczuk (25 May 2018). "FEN 21: Bartosz Leśko „dusi" Kewina Wiwatowskiego w pierwszej rundzie!". mma.pl (in Polish). Retrieved 2026-07-21.
  12. ↑ Kacper Bącela (20 October 2018). "Bartosz Leśko odklepuje Tomasza Kondraciuka już w pierwszej rundzie pojedynku". MMA Rocks! (in Polish). Retrieved 2026-07-21.
  13. ↑ Waldemar Ossowski (23 October 2018). "FEN 22: Rębecki, Leśko i Gniadek nagrodzeni bonusami". WP Sportowe Fakty (in Polish). Retrieved 2026-07-21.
  14. ↑ "FEN 24: LEŚKO-NARUSZCZKA II MAMY REMIS!". Sporty Walki (in Polish). 16 March 2019. Retrieved 2026-07-21.
  15. ↑ Maciej Szumkowski (16 June 2019). "FEN 25. Wyniki gali: świetna gala w Ostródzie. Wygrane Bakocevicia i Zielińskiego". WP Sportowe Fakty (in Polish). Retrieved 2026-07-21.
  16. ↑ Maciej Szumkowski (26 November 2020). "MMA. ACA 114. Bartosz Leśko - Rene Pessoa. Udany debiut Polaka. Pokonał brazylijskiego weterana". WP Sportowe Fakty (in Polish). Retrieved 2026-07-21.
  17. ↑ Bartłomiej Stachura (11 September 2021). "(VIDEO) Nieprzepisowe kolano na głowę! Bartosz Leśko wygrał przez dyskwalifikację na ACA 128!". Lowking (in Polish). Retrieved 2026-07-21.
  18. ↑ Martyna Celuch (17 December 2021). "Niestety… Bartosz Leśko przegrywa przez KO na ACA 134 [WIDEO]". In The Cage (in Polish). Retrieved 2026-07-21.
  19. ↑ Bartosz Sobczak (11 May 2022). "Bartosz Leśko podpisał kontrakt z KSW!". MyMMA (in Polish). Retrieved 2026-07-21.
  20. ↑ Jakub Madej (28 May 2022). "KSW 70: Bartosz Leśko wygrał z Damianem Piwowarczykiem na punkty! „Damsyn" z pierwszą przegraną". MMA Rocks! (in Polish). Retrieved 2026-07-21.
  21. ↑ Bartłomiej Stachura (17 March 2023). "(VIDEO) Bezbłędny Tom Breese! Poskręcał Bartosza Leśkę na KSW 80!". Lowking (in Polish). Retrieved 2026-07-21.
  22. ↑ Waldemar Ossowski (15 July 2023). "WOW! Kibice oszaleli, Leśko dał popis na KSW 84". WP Sportowe Fakty (in Polish). Retrieved 2026-07-21.
  23. ↑ Bartłomiej Zubkiewicz (18 July 2023). "KSW 84: Bonusy – Najlepsze nokauty i poddania gali (WIDEO)". MMA Rocks! (in Polish). Retrieved 2026-07-21.
  24. ↑ Jakub Madej (11 November 2023). "Brutalne rozbicie i mocny nokaut! Piotr Kuberski demoluje Bartosza Leśkę w drugiej rundzie na KSW 88". MMA Rocks! (in Polish). Retrieved 2026-07-21.
  25. ↑ Bartłomiej Stachura (11 May 2024). "Potężny prawy! Michał Michalski zdemolował Bartosza Leśko na otwarcie KSW 94 (VIDEO)". Lowking (in Polish). Retrieved 2026-07-21.
  26. ↑ Bartosz Cieśla (14 September 2024). "XTB KSW 98: Bartosz Leśko wszedł w zastępstwo w ostatniej chwili i pokonał Dominika Humburgera". mma.pl (in Polish). Retrieved 2026-07-21.
  27. ↑ "Bonusy po gali KSW 98 przyznane! Video!". FightSportPL (in Polish). 17 September 2024. Retrieved 2026-07-21.
  28. ↑ Bartłomiej Stachura (8 March 2025). "Mocna walka! Kreatywny Bartosz Leśko pokonał tarana Macieja Różańskiego na KSW 104!". Lowking (in Polish). Retrieved 2026-07-21.
  29. ↑ Jakub Madej (18 October 2025). "Rafał Haratyk obronił pas KSW w wadze półciężkiej!". MMA Rocks! (in Polish). Retrieved 2026-07-21.
  30. ↑ Grzegorz Nielubiak (14 March 2026). "XTB KSW 116: Bartosz Leśko zdominował Bartosza Szewczyka! Jednostronna walka na XTB KSW 116". In The Cage (in Polish). Retrieved 2026-07-21.
  31. ↑ Waldemar Ossowski (18 July 2026). "Epicki rewanż i nowy król wagi półciężkiej. Bartosz Leśko mistrzem KSW!". WP Sportowe Fakty (in Polish). Retrieved 2026-07-21.
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