Denmark missed out on playing at Euro 2016 by losing to Sweden in the playoffs and they will be eager to make amends here.
They expectedly finished second in their qualifying group just behind the favourites Poland and four points ahead of Montenegro.
They head into this game in good form as they have not lost any of their last nine games winning 5 including a 4-0 humbling of Poland although they failed to beat Romania in their last game.
They will still provide enough fireworks to make this clash interesting.
At home, they have lost just once in nine games winning 6 and drawing two.
The Danes have scored in all but one of their last 10 games at home and have also kept just four clean sheets in those games.
Republic of Ireland did something that many thought was impossible when they got a win in Wales in their last qualifying game to leapfrog their host and make this clash a possibility.
James McClean scored the decider in that game and took his goals tally to four in this qualifying series.
The Irish have not had it easy when they play away from home as they have won just four of their last 11 games and have conceded in 10 of their last 13 away games but the fact that they have scored in all but one of these 13 away games makes this tie interesting.
These teams have won two, lost two and drawn two of their last six meetings.
Results of each team’s last 5 matches across all leagues and competitions
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