Arsenal need to beat Greek side Olympiacos convincingly to continue their Champions League run... but the stats don't bode well

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Alexis Sanchez and Mesut Ozil combined to earn Arsenal a routine victory on Tuesday – but the toughest hurdle in their bid to progress to the Champions League knockout stages is still to come.

Victory against Dinamo Zagreb at Emirates Stadium ensured Arsenal still have a chance of reaching the next stages and filled the fans in north London with a renewed sense of hope. 

But Arsene Wenger's side still need to beat Olympiacos,  and they will have to do it in style, as they need to win by two clear goals or get the better of the head-to-head record in a high scoring match.

Mesut Ozil celebrates his goal which helped Arsenal seal their second win of an uneven European campaign

Alexis Sanchez was in captivating form, scoring two and setting up the opener on another energetic display 

Most people will be expecting Arsenal to be far too strong for the Greek side, but having suffered defeat against them already in the competition, the result is no forgone conclusion.

Especially when you consider Arsenal have lost all three previous Champions League games in Olympiacos, with all three coming on Matchday 6.

Those December defeats include a 1-0 away loss in 2009, and a 3-1 defeat in the same fixture two years later in 2011. And in 2012 the game in Greece also ended badly - this time a 2-1 loss.

Alfred Finnbogason scored for Olympiacos earlier in the tournament as the Greek side stunned north London

Leonardo chipped the ball over goalkeeper Lukasz Fabianski in 2009 to secure three points in Piraeus, Greece