Salle competed internationally for his new country, starting at the 1987 World Championships, though he did not reach the final round. At the 1987 Central African Games, he won the gold medals in both long and high jump, and at the 1988 African Championships, he won the silver medal in the long jump—behind Yusuf Alli—and the bronze medal in the high jump. He then competed at the 1988 Olympic Games, but 7.65 metres in the qualifying round was not enough to reach the final. At the 1989 World Indoor Championships he only managed 7.31 metres, ending in last place of the qualifying round. At the 1991 World Indoor Championships, he ended third to last with 7.11 metres. He won a silver medal as a guest competitor at the AAA Indoor Championships of 1990.