[1] Kabayel compiled a perfect record of 15–0 before winning the vacant European heavyweight title with a unanimous decision victory against Herve Hubeaux on 24 February 2017 in Cologne, Germany.

[6] On 18 July 2020, Kabayel beat Evgenios Lazaridis by unanimous decision in their 10 round contest to win the vacant WBA Continental heavyweight title.

[12] On 23 December 2023, Kabayel faced undefeated prospect Arslanbek Makhmudov in the Day of Reckoning event in Riyadh, Saudi Arabia.

Entering the bout as the underdog, Kabayel produced a surprise upset, knocking Makhmudov down three times en route to a fourth round technical knockout victory.

[13] On May 18, 2024, Agit Kabayel faced the undefeated Cuban contender Frank Sánchez at the Ring of Fire event in the Kingdom Arena in Riyadh, Saudi Arabia.

Entering as the underdog, Kabayel delivered a commanding performance, employing strategic body shots and combinations to dominate the fight.