“We are not surprised, we are simply happy that we advanced to the knockout stage… We believe in our team. If you ask, yes, they were tested for doping multiple times, results are known. We want the team to participate in the tournament for as long as possible,” Sorokin said.

Russia finished second in their group and advanced to the knockout stage of the World Cup for the first time in history. The host nation will face Group B winners Spain at Moscow’s Luzhniki Stadium on Sunday.

The 2018 FIFA World Cup kicked off on June 14 and will continue until July 15, with the matches being played in 11 cities across Russia.