Greek legend Giannis Goumas reckons Scotland are a 'sneaky' team and believes it's 50/50 who wins their Nations League tie.
Scotland take on the Greeks on Thursday in the first leg of the play-offs as they aim to maintain their top league status.
It will be the first time Scotland have played in Greece for 31 years and the match is close to a sell-out.
And Greece Euro 2004 winner Goumas - who spent his entire career at Panathinaikos and later went on to manage his country's Under 21s team - reckons it's too close to call after insisting Greece should not underestimate the Scots
He said: "Scotland are a very good team - they are sneaky and cunning.
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"By that I mean they are not regarded as a giant in European terms, but they have made rapid progress and if you look at their squad, it's full of players who are in the English Premier League.
"The name may not be impressive, but let's not be fooled by that.
"I warn Greece that to beat Scotland requires a lot of hard work and effort, because if we don't reach our maximum performance, we may have problems.
"I think the games could go either way."
