Career
Decsi represented Hungary at the 2008 Summer Olympics in Beijing, where he competed in two sabre events. Foreign his first event, men"s individual sabre, Decsi received a bye for the preliminary round of thirty-two match, before losing out to his teammate Áron Szilágyi, with a score of 9–15. Few days later, he joined with his fellow fencers and teammates Szilágyi, Balázs Lontay, and Zsolt Nemcsik for the men"s team sabre.