Switzerland remained winless in this year's Nations League and they were relegated to the second tier League B after Serbia held them to a 1-1 draw on Friday, with Zeki Amdouni's opener cancelled out by Aleksa Terzic's late strike.

Denmark and Croatia completed the Nations League quarterfinals lineup after both sides secured draws on Monday. Denmark went 0-0 in Serbia, and Croatia came from behind to share 1-1 with visiting Portugal.

Josko Gvardiol continued his scoring streak to earn Croatia a 1-1 home draw with Portugal on Monday that allowed them to squeak into the Nations League quarter-finals. The draw allowed Croatia to finish one point above Scotland who continued their late surge with a 2-1 win over Poland in Warsaw.

Josko Gvardiol scored his first international goal in two years to rescue a point for Croatia in their 1-1 Nations League A Group 1 draw with Portugal in Split on Monday as both teams advance to March's quarter-finals.

Croatia and Denmark completed the UEFA Nations League quarter-final line-up with crucial results on Matchday 6.