Neymar’s three-match European ban was on Wednesday upheld after Uefa rejected an appeal by his club Paris St-Germain.
The star who is 27, was charged with insulting match officials after their Champions League exit at home to Manchester United on 6 March.
He had angrily described as “a disgrace”, the award of a 94th-minute United penalty in their last-16 second leg match.
He subsequently wrote on an Instagram page that the penalty “doesn’t exist”.
The star will miss half of next season’s Champions League group stage.
The forward was injured with a broken metatarsal and missed both legs of the European knockout tie – which United won as a result of the penalty converted by Marcus Rashford on March 6.
Referee Damir Skomina reviewed footage of a Diogo Dalot shot striking the hand of PSG defender Presnel Kimpembe before awarding the visitors the injury-time spot-kick, having initially given a corner as the penalty ensured a 3-1 win in Paris against PSG.
Neymar wrote: “It’s a disgrace. Four guys who know nothing about football watch a slow-motion replay in front of the television.
“What can he do with his hand while his back is turned