The Rio Olympic Games got officially underway for the men's football team on 4 August, Thursday, with Iraq and Denmark opening the group A fixture with a drab 0-0 draw. Brazil and South Africa, the other two teams in the group did little to raise expectations and ended up with another stalemate to complete round one of the fixtures in the group.

Group B was a much more exciting affair with Sweden and Colombia going all guns blazing to end the game on two goals apiece. Both teams had ample chances to score the winner but were thwarted by their profligacy in front of the net.

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However, the main highlight of the group was the game between Nigeria and Japan, which ended 5-4 in favour of the African side. Nigeria had taken a 5-2 lead at one point but the Japanese came back through Arsenal new boy Takuma Asano to bring the gap down to only two goals and make it an interesting contest for the neutrals.

Meanwhile, Group C saw Germany and Mexico play out a 2-2 draw in a game that replicated much of the attacking tenacity of the Sweden game. However, the cake for the game of the round was taken by South Korea, who smashed Fiji 8-0 in a completely one-sided affair.

Meanwhile, in Group D, Hondurus beat Algeria 3-2 while Argentina were shocked by European Champions Portugal, blanking them 2-0 for the win.