The game will take place at Moscow's Luzhniki Stadium on Monday morning AEST.

“Playing against Russia will be very difficult. I think, almost as hard as playing against, for example, Brazil. We know that Russia knows how to park the bus. We will try to make more space to create chances close to a goal,” Silva told journalists.

Spain came top of their group after beating Iran 1-0 and drawing with both Portugal and Morocco 3-3 and 2-2 respectively.

Russia thrashed Saudi Arabia 5-0 in the World Cup opener, beat Egypt 3-1 but lost 3-0 to Uruguay. They finished second in the Group A table, and advanced to the knockout stage for the first time since the break-up of the Soviet Union.