"He has no legitimacy, he is not credible as FIFA president," Platini said in an interview with French sports daily L'Equipe and several other European newspapers.
There is no love lost between Platini, who was banned from football activities over a two million Swiss francs payment from FIFA, and Infantino, his former right-hand man.
Platini claimed that when Infantino was in his previous job as UEFA secretary-general "everyone knew that he was always criticising FIFA".
With the women's World Cup set to kick off in France on Friday, Platini even claimed that Infantino, when they worked together at UEFA, never supported the development of women's football.
"How can he promote women's football when he always used to make fun of it? He never believed in it," Platini said.
Infantino, who became FIFA chief in 2015 after the scandal-tainted reign of Sepp Blatter, is set to be re-elected unopposeRead More