Poland thrashed 10-player Estonia 5-1 to book a place in the Euro 2024 play-off final, where they will face Wales after Rob Page's side beat Finland.
The Republic of Ireland's Euro 2024 automatic qualification hopes are over after a 2-0 home defeat to Greece.
Republic of Ireland's bid to get their Euro 2024 qualifying campaign up and running has to wait for another round of games.
Northern Ireland clinched Nations League survival despite losing 3-1 to Greece after Kosovo did them a favour by beating Cyprus 5-1.
Switzerland inflicted Portugal's first UEFA Nations League defeat to put Spain top of Group A2 on Sunday evening.
How the action unfolded on Thursday, with Northern Ireland beaten in Kosovo and Portugal and Spain victorious in their League A fixtures...