Player profile

  • Name and surname: Cezary Oleksiejczuk

  • Date of birth: January 6, 2000 (25 years old)

  • Place of birth: Łęczna, Poland

  • Height: 191cm; arm reach: about 201cm

  • Weight: welterweight category (77kg)

Fight record and achievements

MMA - record: 15-3-0

  • Fourteen wins, including 6 by KO/TKO, 2 by submission and 7 by decision; three losses (1 by submission, 2 by decision)
  • Professional debut in 2018; previously won two AFC belts (featherweight and lightweight)

Fight Exclusive Night (FEN) – Welterweight King

  • He signed with FEN in February 2021, immediately defeating Djamil Khan by TKO in the 1st round.
  • In May 2021, he won a decision over Szymon Dusza; in November 2022, he won the FEN championship (defeating Aigun Akhmedov).

  • He defended the belt three times - against Kamil Kraska and Adrian Zieliński, among others; a total of 8 wins in FEN, no defeats.

Prime Show MMA – Entering with a bang

  • Joined Prime Show MMA in June 2024, continuing his undefeated streak in freak fights

  • On October 26, 2024, he knocked out Piotr Strus in the 1st round - quick TKO reported by the referee

  • On January 11, 2025, he won by TKO after just 50 seconds against Marcin Naruszczka at Prime MMA 11

Trophies and Rankings

  • 2x AFC Featherweight Champion – 2015–2016
  • FEN Welterweight Champion (2021–2024), 3 title defenses
  • Rated #2 in the international middleweight rankings and top 1 in Eastern Europe and Poland (Tapology, June 2025)

Fun facts and personality

  • Brother Michał Oleksiejczuk fights in UFC

  • Trains at Ankos MMA Poznań / Oleksiejczuk Team under the watchful eye of trainers Andrzej Kościelski and Ivan Kirillov

  • Interested in motoring and technology; shares training, everyday life and relationships with his brother on social media

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