Ahead of the final, the French newspaper L'Auto described Bellon as "the best center-half that we have ever seen in Lyon, with remarkable dribbling, knows how to take advantage of all the opponent's mistakes, and an impeccable and far-sighted game distributor".
[4] The final ended in a 1–7 loss to Stade Rennais, with L'Auto stating that Terreaux's best players were the David brothers and André Bellon.
[7] In the quarterfinals, Lyon faced Stade Rennais on neutral ground in Paris on 3 February 1918, and he once again netted an equalizer in the second half in an eventual 2–1 win.
[7] He thus contributed decisively in helping his side reach the final of the Coupe de France, held on 5 May in Paris, which they lost 0–3 to Olympique Pantin.
[1][8][9][10] Two weeks earlier, on 23 April, Bellon played a friendly match between the French and foreign residents of Lyon, which ended in a 2–4 win to the latter side.