New Delhi: Competing for the first time in over a year, Olympic bronze-medallist M C Mary Kom (51kg) assured herself and India of at least a bronze medal by advancing to the semifinals of the International Boxing Association's (AIBA) Olympic Test event in Rio de Janeiro today.

The Indian defeated Venezuela's Karlha Magliocco 3-0 in the quarterfinal bout of the event, where boxers have been individually invited by the world body and the Rio Olympics organising committee.