Considered to be a classic stylist Guitry Bananier had a short career. Before the 1972 Olympics, in March 1972, he had lost a bout against Alan Buchanan, brother of world lightweight champion Ken Buchanan, during the Scotland versus France International at Edinburgh. He competed in a France-West Germany dual meet shortly after the Olympics, winning his bout, and then appeared at the 1974 World Championships, winning one round before losing by TKO against Puerto Rican José Luis Vellon. Bananier was noted to have died in the early 1980s under tragic circumstances, but further details are not known.