Mario Mandzukic's scored a second-half equaliser of the post to earn Croatia a 1-1 draw against Italy to leave Group C wide open.
The Italians were in control after taking the lead through Andrea Pirlo's quality first-half free-kick.
But Mandzukic's third goal of the Euro 2012 championshipa earned Croatia a vital point.
Italy will need to beat Ireland in the final group match to be certain of their quarter-final place, while Croatia may need to earn at least a point against Spain.
Italy 1 (Pirlo 39)
Croatia 1 (Mandzukic 72)
Video from UEFA.com of goal highlights from Italy v Croatia