[6] Azizpour is currently ranked as the number 8th Heavyweight in the world by Combat Press [7] Holds notable victories over Ismael Londt, Anderson Silva, and the current ONE Light Heavyweight Kickboxing World Championship Roman Kryklia In 2017 he participated in the International Federation of Muaythai Associations Amateur Championships.

Advancing to the finals he fought Roman Kryklia for 2017 Kunlun Fight Heavyweight Tournament title.

[14] In the 2019 Kunlun Fight 8-man Heavyweight Tournament, Azizpour lost in the quarterfinals to Brazilian Haime Morais.

[15][16] Iraj Azizpour was next scheduled to fight for the interim FEA Heavyweight title against Pavel Zhuravlev.

[20] Azizpour was booked to face the 2012 K-1 Grand Prix runner-up Ismael Londt at ONE: Lights Out on March 11, 2022.

[24] Azizpour faced Roman Kryklia in the ONE Kickboxing Heavyweight Grand Prix finals, which were held at ONE 163 on November 18, 2022.