Spain captain Mikel Oyarzabal's late winner will ensure the Olyroos' hopes of qualifying for the quarterfinals of the men's Olympic football tournament come down to their final match against Egypt.
The Real Sociedad forward, one of six players from Spain's Euro squad to start the Group C clash at Sapporo Dome, nodded home the only goal of the match in the 81st minute to secure a 1-0 win.
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The strike ended a brave Australian resistance against the star-studded Spaniards and leaves the group wide open heading into Wednesday's clash with Egypt.