Khbabez has also competed in ONE Championship is a former ONE Light Heavyweight Kickboxing world title challenger.
He is ranked as the ninth best heavyweight by Combat Press as of September 2022,[3] and sixth best by Beyond Kickboxing as of October 2022.
[7] On August 27, 2018, Khbabez signed a multi-fight contract with ONE Championship, where he would compete in the organization's all-striking ONE Super Series.
[9] On March 9, 2019, he picked up a unanimous decision victory over Andrei Stoica at ONE Championship: Reign of Valor.
[10] On June 15, 2019, he defeated Anderson Silva by unanimous decision at ONE Championship: Legendary Quest.
On November 16, 2019, Tarik Khbabez faced Roman Kryklia for the inaugural ONE Light Heavyweight Kickboxing World Championship.
[16] He beat Rigters by split decision, but lost the final bout against Rico Verhoeven by TKO.
[19][20] The pair was originally scheduled to fight at GLORY 77, before Plazibat withdrew due to injuries sustained in training.
[30] Abena withdrew from the fight with food poisoning on June 14 and was replaced by Mohamed Amine, who faced Khbabez for the interim Glory Light Heavyweight Championship.
[36] Khbabez faced Pascal Touré in the quarterfinals of the Glory Light Heavyweight Grand Prix, held on June 8, 2024, in Rotterdam, Netherlands.