Denmark and the Republic of Ireland have become familiar foes in recent years and they will renew acquaintance once more when they collide in a Euro 2020 qualifier on Friday.
Mick McCarthy's Boys in Green come into the game at the top of Group D having won their first two matches against Gibraltar and Georgia, but the Danes represent an altogether different challenge.
Indeed, Age Hareide's side took their place at the 2018 World Cup at the expense of Ireland thanks to an emphatic 5-1 play-off victory in Dublin, which was an excruciating defeat for the Irish.