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Belgium struggled to find a way through the Russian defense until the dying stages of the Group H match, with Kevin Mirallas hitting the post with a free kick in the 84th and Eden Hazard sending a shot wide before Origi's close-range right-foot winner in front of more than 73,819 people at the Maracana.
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Belgium has six points and leads the group after opening with a 2-1 win over Algeria.