 A few days later after his gold medal, Fonst competed in the Men's amateurs-masters épée which put the top four amateurs with the top four professionals at the Games, Fonst managed to win six of his seven contests and won the silver medal, his only defeat was against the French professional Albert Ayat who went on to win the gold medal.Four years later, Fonst was in St.Louis, Missouri, competing at the 1904 Summer Olympics, and within two days he won three gold medals, he retained his Olympic title in the Men's épée, and added the Men's foil title and under the Mixed team banner he won the Men's team foil event with fellow Cuban Manuel Díaz and American Albertson Van Zo Post.Cuba didn't compete in the Summer Olympics again until 1924, which was again held in Paris, France.