[5] At the 2011 World Amateur Boxing Championships he outpointed Jasem Delavari from Iran but was knocked out by Cuban Erislandy Savón.

[7] Following this achievement, Yoka won the gold at the 2015 AIBA World Boxing Championships, earning him a spot at the 2016 Olympic Games at Rio de Janeiro.

Trained by Virgil Hunter, Yoka fought and beat Travis Clark in his debut fight at Le Palais des Sports in Paris, in June 2017.

[14] In his next fight, Yoka faced former world title challenger and veteran countryman Johann Duhaupas.

Yoka cruised past his experienced opponent, dropping him twice in the first round, the second time also being the final one from which Duhaupas would not get up.

[19] Yoka was next set to face the undefeated Croatian heavyweight Petar Milas on September 10, 2021, at the Stade Roland Garros in Paris, France.

[24] Yoka was expected to face Carlos Takam on January 15, 2022, in a fight which was supposed to take place at the Accor Arena in Paris, France.

[28] The IBF later ruled Yoka ineligible to enter an agreement with any opponent other than Martin Bakole, as the two had already signed contracts to face each other.