Berens, a silver medallist at the 2014 World Championships in Bremen, was in superb form in the under 60 kilograms division.

He beat Belgium's Michael Dasoul in the final as the bronze medals were shared between Georgia's David Tkebuchava and Spain's Matias Gómez.

World and European bronze medallist Alexandria Recchia claimed one of the trio of French victories in the women's under 50kg kumite event, overcoming Kateryna Kryva of Ukraine in the final.

Indonesia's Sari Srunita and Rocio Sanchez of Spain shared the final place on the podium.

France's Baku 2015 European Games champion Lucie Ignace was a dominant winner in the under 61kg event.

She beat Russia's Nailya Gataullina in the final as Ecuador's Jacqueline Factos and Ukraine's Anita Serogina shared bronze.

A third French success came courtesy of the women's kata team.

They beat Turkey in the final as Spanish club Gojo-Ryu Torremolinos and Germany shared bronze.

Turkey also claimed two gold medals on the opening day of finals action.

The men's team kata beat Hong Kong to gold and France and German club team Dojo Lich shared bronze.

Erman Eltemur won the men's under 75kg kumite event, beating Hungary's Gabor Harspataki in the final.

United States' Andrew Scott Thomas and The Netherlands' Rene Smaal each took bronze medals.

Other winners included Emiri Iwatoto of Japan, who beat Spain's Gema Ozuna Morales to the women's kata gold.

Grace Lau Mo Sheung of Hong Kong and Sakura Kokumai of the US claimed the bronze medals.