Sergej Braun

Braun challenged Lorand Sachs for the WKU Middleweight K-1 championship at Apache Fight Night on October 1, 2013. He won the fight by a second-round knockout.[5] He mad his first title defense against Taylan Yesil on June 7, 2014. He won the fight by unanimous decision.[6]

Braun was scheduled to participate in the 2017 Mix Fight -78.5 kg Tournament, which was held at Mix Fight Gala 21 on May 6, 2017. He faced Akam Tarageh in the semifinals of the one-day tournament.[7] Braun won the fight by unanimous decision and advanced to finals, where he faced the Lion Fight Super Middleweight champion. He lost the final bout by a first-round knockout.[8]

Braun faced Yohan Lidon at DSF Kickboxing Challenge 13 on March 9, 2018. He lost the fight by a second-round knockout.[9] Braun next faced Shkodran Veseli at Enfusion 64 on April 21, 2018. He lost the fight by a first-round technical knockout.[10] Braun was booked to face Arian Sadiković at Mix Fight Championship 25 on December 1, 2018. He lost the fight by a narrowly contested split decision.[11]

Braun faced Stipe Mrsic at Fightarena 5 on May 11, 2019. He won the fight by a first-round technical knockout.[12] Braun was scheduled to face Juri De Sousa in an -80 kg Mix Fight title eliminator, which was held at Mix Fight Championship 26 on June 22, 2019.[13] He lost the fight by unanimous decision.[14]

Braun ext faced Mustafa Genc at CWS Fight Night 5 on October 26, 2019.[15] He won the fight by unanimous decision.[16]

Braun took part in the 2019 Mix Fight welterweight (-77 kg) tournament. He faced Lukasz Plawecki in the semifinals of the one-day tournament, held at Mix Fight Championship 27 on December 7, 2019,[17] and was able to win by a third-round knockout. Braun captured the tournament title with a third-round head kick knockout of Brice Kombou in the finals.[18]

After capturing the welterweight Mix Fight tournament title, Braun was booked to face Blokland Guillermo at Battle Of Barock on February 1, 2020.[19] He won the fight by unanimous decision.[20] Braun returned to Senshi for his second and final fight of the year, as he faced Daniel Manole at SENSHI 6 on August 21, 2020.[21] He needed just 40 seconds to stop Manole with a spinning back kick.[22]

Braun challenged the WAKO-Pro World K-1 Light Heavyweight (-81.4 kg) champion Aleksander Menković at SENSHI 7 on February 27, 2021.[23] He won the fight by a third-round knockout. Braun knocked his opponent down twice prior to the stoppage, with both knockdowns happening in the third round, first time with a left hook and the second time with a right uppercut. The fight was finally stopped after he knocked Menković down with a head kick, which left the Serbian unable to beat rise from the canvas.[24]

Braun was expected to face the WAKO-Pro World K-1 Super Middleweight champion Nikola Todorovic in a non-title bout on Senshi 8 on May 22, 2021. Braun withdrew from the fight after testing positive for COVID-19.[25] Braun instead faced Samuel Dbili at SENSHI 9 on July 10.[26] He won the fight by a dominant unanimous decision.[27]

Braun was once again booked to face Nikola Todorovic in a non-title bout at SENSHI 10 on December 3, 2021. Todorovic later withdrew from the bout, after testing positive for COVID-19, and was replaced by Assane Bafeta.[28] Braun won the fight by a third-round knockout. He dropped Bafeta with a short left hook, and although Bafeta was able to beat the eight-count, he was unsteady on his feet which prompted the referee to wave the bout off.[29]

Braun and Nikola Todorovic were scheduled to fight for the third time at SENSHI 11 on February 26, 2022.[30] Braun won the fight by unanimous decision. He scored the sole knockdown of the fight late in the third round, although he was unable to finish the Serbian.[31] Braun next faced Chico Kwasi at Super Cup Kickboxing 2 on April 30, 2022.[32] Kwasi snapped Braun's eight-fight winning streak, as he won the fight by unanimous decision.[33] Braun was however able to rebounded from this loss with a unanimous decision win over Daniel Krost at Prestige Championship 2 on June 4, 2022.[34]

Braun made his Glory debut against Michael Boapeah at Glory: Collision 4 on October 8, 2022.[35] He won the fight by unanimous decision. Braun scored the sole knockdown of the fight in the third round, as he dropped Boapeah with a left hook in the final minute of the fight.[36]

Braun made his first WAKO-Pro World Light Heavyweight (-81.4 kg) title defense against Baris Turkmen at Battle Of Barock 2 on October 29, 2022.[37] He retained the title by a second-round technical knockout.[38]

Braun faced the #2 ranked Glory middleweight contender Serkan Ozcaglayan at Glory 83 on February 11, 2023.[39][40] He lost the fight by a fourth-round knockout.[41]

Braun faced Michael Boapeah at Glory 87 on August 19, 2023, having beat Boapeah in his debut 10 months prior.[42] He lost the fight by unanimous decision.[43]

• World Association of Kickboxing Organizations
  • 2021 WAKO-Pro World K-1 Light Heavyweight (-81.4 kg) Championship
    • One successful title defense
• Mix Fight Championship
  • 2019 Mix Fight Welterweight (-77 kg) Tournament Winner
• All Fight System Organization
  • 2019 AFSO Super Light Heavyweight (-82 kg) Championship
• World Kickboxing and Karate Union
  • 2013 WKU European Middleweight (-85 kg) K-1 Championship
  • 2014 WKU World Middleweight (-85 kg) K-1 Championship
    • One successful title defense
• World Sport Fight Martial Arts Council
  • 2014 WFMC Middleweight (-84.6 kg) Championship
• World Kickboxing Federation
  • 2012 WKF -81 kg Championship

• International Federation of Karate
  • 2013 IFK World Open Middleweight (-80 kg) 3rd place[44]
• Kyokushin Union (IKO Kyokushinkaikan Rengokai)
  • 2015 Rengokai World Cup -80 kg 3rd place[45]
• WKO Shinkyokushinkai
  • 3x Shinkyokushin Dutch Open Middleweight Winner (2013,[46] 2014,[47] 2015[48])
  • 2014 Shinkyokushin West European Championship Diamond Cup Middleweight Winner[49]
  • 2016 Shinkyokushin West European Championship Diamond Cup Middleweight 3rd place[50]