Switzerland have joined Portugal, Russia, the Czech Republic and Ukraine as Northern Ireland's potential Euro 2022 play-off opponents.
Italy's 12-0 win over Israel on Wednesday meant they finished top of Group B and qualify for the finals, with the Swiss finishing second.
The six teams will be drawn into three ties to be played over two legs from 5 to 13 April.
The play-off draw will take place on 5 March in Nyon.
The three play-off winners will advance to the July 2022 finals to join hosts England, the nine qualifying group winners and the three runners-up that are already assured of finals places.
It is the first time Northern Ireland, managed by Kenny Shiels, have qualified for the play-offs of a major tournament.
A 5-1 victory over the Faroe Islands completed a four-game winning end to the group for Northern Ireland, who lost 6-0 in a friendly against England on Tuesday.