In the Cadet Kumite Male -57 kg, Karimi defeated Russia’s Daniil Chepurnov and Germany’s Merlin-Leo Schaefer and lost to Ebrahim Seifeldin from Egypt in the semi-final.
The Iranian athlete defeated Saudi Arabia’s Mohammed Alassiri in the bronze-medal match.
In the Junior Kumite Female -48 kg, Sara Bahmanyar defeated Wai Fongman from Macau 4-0. She defeated Anna Sokk from Estonia but lost to Esraa Abdelkader from Egypt.
Bahmanyar beat Rebecca Cichrova from Slovakia and claimed a bronze medal.
On Thursday, Fatemeh Sadeghi had won a silver medal in the Cadet Kumite Female -47kg.
The championship hosted 1441 athletes from 91 countries in Jakarta, Indonesia.