Belgium substitute Divock Origi grabbed a winner two minutes from time against Russia to take his side into the last 16.
missed the best chance of a lifeless opening half, heading wide from six yards.
Substitute Kevin Mirallas hit a post with Belgium’s first shot on target with six minutes remaining.
But Origi turned in from Eden Hazard’s cross to take Marc Wilmots’ team into the knock-out phase.
Russia’s hopes of following them into the last 16 now hinge on their final group match against Algeria.