Mladen Kujundžić

Kujundžić had his first professional fight against Denis Marjanović, on September 25, 2010.[6] He won the fight by unanimous decision.[7] The two of them fought a rematch two months later, with Marjanović winning a unanimous decision. During the Bilić Erić Security Fight Night 5 event, Kujundžić fought Ivica Ivić.[8] He won the fight by a second-round knockout, stopping Ivić with a low kick.[9] He would go on to win his next three fights against Tom Van Duivenvoorde, Ivica Soldo and Jasmin Bečirović, before taking part in the Fight Code: Rhinos Series tournament. Kujundžić beat Anatoloy Nosyrev by TKO in the first fight, but lost to Freddy Kemayo in the quarterfinals.[10]

After this tournament loss, Kujundžić was scheduled to fight Rok Štrucl at WFC 15.[11] The fight went into an extra round, after which Štrucl won by decision.[12] Bouncing back from the first losing streak of his career, Kujundžić won his next three fights. He won his first fight against Marin Došen by decision,[13] and beat Srđan Seleš and Nermin Terzić by TKO.[14][15] At the 8. Kickboxing Memorijal David Šain event, Kujundžić was scheduled to fight Igor Mihaljević. Igor Mihaljević won the fight by unanimous decision.[16]

In 2013, Kujundžić signed with Final Fight Championship. He made his organizational debut during FFC03, in a rematch with Rok Štrucl.[17] He won the rematch by unanimous decision.[18] At FFC06, Kujundžić fought Nikola Dimkovski, winning the fight by unanimous decision.[19] He won his next two fight against Alija Tucak and Sanid Imamović by DQ and TKO respectively, extending his winning streak to four.[20]

He made his Glory debut at Glory 14: Zagreb, when he was scheduled to fight Elmir Mehić.[21] He won the fight by TKO, after the ringside doctor stopped the fight at the end of the second round.[22] At FFC12, Kujundžić knocked out Dženan Poturak with middle kick in the first round.[23] His winning streak was stopped by Alexandr Bodruchin at FFC15, who knocked him out in the first round.[24]

Kujundžić rebounded from this loss by winning his next two fights against Janos Koszfan and Andre Langen by decision.[25] At WFL Laktaši, Kujundžić fought Fabio Kwasi for the first time. Kwasi won the fight by a second-round TKO.[26]

Kujundžić once again rebounded from a loss by winning his next two fights, winning a decision against Vasil Ducar and knocking out Frank Muñoz.[27] He next fought Maxim Bolotov in the 2016 Tatneft Cup selection tournament.[28] Bolotov won the fight by an extra round decision.[29]

At Respect World Series 1, Kujundžić achieved the highest profile win of his career up to that point, managing to knock out the former SUPERKOMBAT Super Cruiserweight champion Andrei Stoica.[30]

Kujundžić took part in the 2016 K-1 Belgrade Heavyweight tournament, being scheduled to fight Fabio Kwasi.[31] Kwasi once again won the fight by unanimous decision.[32] Kujundžić further participated in the 2017 Tatneft Cup selection tournament. He knocked out Rustam Azimov in the first round of the tournament,[33] but lost to Petr Romankevich in the second round by decision.[34]

After a year long layoff, Kujundžić returned to fight Françesco Xhaja at Legends Collide. He lost by unanimous decision.[35]

In 2019, Kujundžić signed with FEA. In his first fight with the organization, he fought Alexandru Burduja. The fight went into an extra round, after which he won a split decision.[36] He won his next fight against Joao Chapas Silva by decision, as well.[37]

He was scheduled to fight Mikhail Tyuterev in the semifinals of the 2020 FEA Heavyweight GP, but the fight never materialized.[38]

Kujundžić challenged Alexandru Burduja for the FEA Light Heavyweight (-93 kg) championship at FEA Full Drive on December 17, 2022.[39] He captured the title by split decision.[40]

Kujundžić faced Arseniy Smirnov at RCC 16 on July 28, 2023.[41] He lost the fight by unanimous decision.[42]