Two world championships progressed safely through to the next round of the World Military Boxing Championships ©AIBA

World champions Beatriz Ferreira and Ekaterina Paltseva won their first fights at the World Military Boxing Championships in Moscow.

Brazilian Ferreira, defeated Kazakhstan's Aizhan Khojabekova by unanimous decision in the 60-kilogram class to set up a clash with Russian Nune Asatrian in the next round.

Russia's Palsteva, who stepped up from 48kg to 51kg last year, beat Sri Lanka's Sanduni Priyadarshani Hanwellage.

Palsteva won in a unanimous decision and will face Graziele Jesus de Sousa from Brazil, who beat Ehkhjargal Munguntsetseg of Mongolia, in the quarter-final.

However, there was a shock in the 91kg divisional Brazilian favourite Abner Teixeira was surprisingly beaten by Moh Said Hamani from Algeria.

Hamani will face Ivan Sagaidak from Russia in the next round after he earned a unanimous decision victory over Mahmood Hassan from Pakistan.

The World Military Boxing Championships continue tomorrow, with competition set to run until September 25.

In total, 231 boxers from 36 countries in 10 weight categories for men and five for women will compete at the Championships, which are the 58th to take place.

The finals are due to take place on September 25.