WAKO European Cup Karlovac Open 2021 was held 28th-30th May 2021 in Karlovac, Croatia.
The Cup hosted 1713 competitors from 26 countries and 111 clubs in two sport halls, to provide the highest possible conditions for the athletes. In one sport hall it was 8 tatamies for Point Fighting, Light Contact and Kick Light , and in the another there was 2 rings for Low Kick, Full Contact and K-1.
Austria , Belarus, Bosnia And Herzegovina, Bulgaria, Croatia, Czech Republic, France, Greece, Hungary, Israel, Italy, Kyrgyzstan, Latvia, Lithuania, Moldova, Republic Of Montenegro, North Macedonia, Poland, Portugal, Romania, Russian Federation, Serbia, Slovakia, Slovenia, Spain, Ukraine.
The competition was organized by Croatian kickboxing Federation and Kickboxing club Tigar, under the patronage of the government of Croatia.