Career
Hănceanu began fencing at age ten at his local club, Central Saint Martins Iași, with Iulian Bițucă as coach. Hănceanu joined Florin Zalomir, Tiberiu Dolniceanu and Rareș Dumitrescu in the national team In the World Championships in Antalya, Romania defeated Germany, then France and Hungary.
In the final they met Italy again and this time prevailed 45–44 to take the first World title in sabre for Romania.
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 of 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.
Hănceanu was set to take part to the 2012 Summer Olympics in London, but Dolniceanu was substituted at the last minute.