[4] Three years later, on 5 April 1908, he started in the final of the 1908 Coupe Dewar, which ended in a 2–1 loss to CA Paris.
[6] He was most likely one of the best players of the team because later that year, the USFSA selected him for the French national team, being a member of the French squad that competed in the football tournament of the 1908 Olympic Games in London, but he failed to feature in a single game as France was knocked out in the semifinals by Denmark following a resounding 17–1 loss.
[2][3][7] On 18 April 1909, Desaulty started in the final of the Coupe Dewar in 1909 at Stade de Charentonneau, which ended in a 5–0 loss to Gallia Club.
[8] On 5 March 1911, Desaulty played an international match against English club Weybridge, helping his side to a 4–1 win.
[9] In 1912, he helped AS Française win the USFSA Paris championship, and this victory qualified the club for the USFSA national championship, helping his side reach the final at Stade Colombes on 28 April, which ended in a 2–1 loss to Stade raphaëlois.