"I am confident that the next matches will be played in front of sell-out crowds. If there are empty seats it is because someone has bought the tickets, paid the money, but could not come for one reason or another, without notifying either FIFA or us... However, these instances happened primarily in the early stages, there are very rare now," Dvorkovich said.

The World Cup will continue until July 15 with only eight games left to play. The quarter-finals will begin later on Friday, with Uruguay taking on France in Nizhny Novgorod in the first of the last eight matches.