In the 2010 World Fencing Championships, Hănceanu started the competition 53rd in world rankings. He created an upset by making his way to the quarter-finals, where he defeated 15–13 Russia's Aleksey Yakimenko. He was beaten 15–10 in the semi-final by Won Woo-young of South Korea and came away with a bronze medal. In the team event, Romania were beaten 45-32 by Russia in the semi-final, then defeated Belarus 45–41 in the match for the third place.