Wales and Denmark are both chasing top spot in their Nations League group.
The two sides meet at the Cardiff City Stadium on Friday with Wales seeking revenge for their 2-0 defeat in Aarhus in September.
Here, Press Association Sport considers some of the talking points surrounding the game.
Winner takes all
??????????@Cymru ar frig y grŵp! pic.twitter.com/I5YVpNXkGH
— ⚽ Sgorio (@sgorio) October 16, 2018
The Nations League was much maligned when it was introduced, with critics complaining its format was too complicated. Yet players from both sides have been talking of a Cardiff ‘final’ and a desire to play in the top tier of a competition that victory would bring. Although it has taken a bit of getting used to, the Nations League is certainly a big upgrade on meaningless friendlies. Promotion is definitely a prize worth winning, especially with the incentive of top spot providing another opportunity to qualify for the 2020 European Championship.
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Cardiff crowd could be key
??????? SELL OUT ?? #WALDEN is now a sell out… DIOLCH!
Although general admission is sold out, we still have a small number of wheelchair spaces available, which can only be purchased through the Stadium Ticket Office on 0845 345 1400. #TogetherStronger pic.twitter.com/wC2cAQTfBz
— FA WALES (@FAWales) November 13, 2018
Wales’ last home game, the high-profile October friendly against Spain, was played at the Principality Stadium and over 50,000 turned up at the home of Welsh rugby. But Wales have revelled in playing down the road in recent times with the Cardiff City Stadium producing electric atmospheres. The final ticket for the Denmark game was snapped up on Tuesday, and the players will perform before a 33,000 sell-out. That is a huge boost for Wales and could prove pivotal.