Russian Sports Minister Vitaly Mutko said the option of a fine was most likely following clashes between England and Russia fans after the Euro 2016 match in Marseille, R-Sport news agency reported, DW wrote.
"We will have a fine from [European soccer's governing body] UEFA, so I understand. We behaved incorrectly," Mutko said. Russian officials will also investigate what happened, he added, noting what he said were "many nuances."
Earlier, Mutko claimed there had been "no clash...that's being exaggerated; in fact, everything is fine here."
Mutko, who has been accused by the World Anti-Doping Agency of complicity in a state doping program, called the charge "laughable."
Read alsoReuters: Russian anti-doping czar knows 'where bodies are buried'"When the match ended, there was no barrier between the fans. The British were upset, of course, but it all quickly dissolved.
"Such matches should be organized properly. It is necessary to separate the fans. The bad thing is that there were firecrackers and flares," Mutko said.
Read alsoSBU releases recordings of tapped conversations of Frenchman planning attacks during EURO-2016UEFA will now examine how Russia will be punished for the violence of supporters in Marseilles.
The two sets of supporters were involved in clashes with each other, locals and police in the three days before of the match Saturday.
The main focus of the UEFA probe will likely be the violence that erupted at the end of the game after Russia's injury time equalizer in the 1-1 draw at the Stade Velodrome.
Russian fans appeared to attack English supporters sitting in neighboring blocks, forcing many of them to flee.
UEFA provided no further details on the investigation.
Russia had been handed a suspended six-point deduction for fireworks thrown and illicit banners displayed in 2012, but deducting World Cup points would be difficult as they are 2018 hosts.