The new-look UEFA Nations League (UNL) group stage is coming to a close, with much more at stake than you might think. In fact, you might say you need a degree in football administration to fully understand the machinations.

For the original editions, the Nations League was mostly about qualifying for the finals, plus promotion and relegation between the four levels. But the 2024-25 format sees more teams through to the knockout format, plus added promotion/relegation playoffs. And for the first time the final positions will have some impact on the qualifying draw for the next FIFA World Cup.

With two rounds of games to be played, we look at who's in contention and what it all means in the race to reach United States, Mexico and Canada in the summer of 2026.

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How does the UEFA Nations League work?

There are four "divisions": League A, B, C (with four groups of four nations) and D (with two groups of three). League A is the strongest and League D the weakest.

Qualifying for the quarterfinals and finals

In League A, the top two teams in each of the four groups will go through to two-legged quarterfinals, to be played in March. The winners of these ties will take part in the finals, with one-legged semifinals and a final in June.

Promotion and relegation

The countries who win League B and C are automatically promoted to League A and B respectively. Those who finish bottom of League A and B are directly relegated to League B and C.

There is some good news for countries who are relegated from League A in this edition. Being in League B for the 2026 UNL, they will be in a better position to claim a playoff for a place for Euro 2028.

The winners of the two League D groups are promoted, while the two teams in League C who finish bottom with the worst record go down.

Playoffs

New for this edition is promotion/relegation playoffs, also be to be held in March. Teams who are third in League A will play two-legged ties against second-placed nations from League B. Likewise, third in League B will face second in League C. The winners will play in the higher league.

The two nations who are bottom in League C with the best record will face a promotion/relegation playoff against runners-up of League D.

Why does it matter for World Cup qualifying?

There's a handful of reasons and, remarkably, it's more complicated than the UEFA Nations League itself.

World Cup qualifying draw seeding

Teams will be drawn into 12 groups of four or five nations. Groups of five will begin qualifying in March or June. Groups of four won't play any qualifiers until September. Why's that? Because fixture slots need to be free for countries to play those UNL playoffs and knockout ties.

The eight teams in the UNL quarterfinals will all need free dates in March, with the four finalists also requiring June to be empty. As the World Cup qualifying draw is on Dec. 13, FIFA won't know who needs both March and June free. FIFA has therefore given UEFA permission to put all eight UNL quarterfinalists in Pot 1 of the World Cup draw. If you finish in the top two of UNL League A, you're seeded and could get a more favourable route to the next World Cup.

Pot 1 will have 12 nations, and is completed by the four countries with the best FIFA World Ranking who aren't yet seeded. England, who are in League B for this edition of the UNL, are effectively guaranteed one slot as they are ranked fourth in the world. As it stands now, Belgium, Switzerland and Austria would take the other three ranking slots.

For all other pots, places are allocated purely by FIFA World Ranking, and results this week could influence that. For instance, Turkey could take a slot in Pot 1, while Scotland and Norway are in Pot 3 but could lift themselves into Pot 2 with good results.

But wait... Depending on how many teams need to play promotion and relegation playoffs, FIFA may have to juggle the pots slightly. For instance, if there are too many teams in Pot 3 who need to have March free, then a swap with Pot 2 or 4 might be needed. That's probably an issue for another day...

One more complication? As the UNL playoffs don't take place until March, eight of the 12 World Cup groups won't know their full lineup until then. Four of the groups with four teams will get "winners of playoff tie," as they must be free for March and June. Four others get "losers of playoff tie." Only four groups will be complete as of Dec. 13.

Playoff places for UNL group winners

The 12 winners of the UEFA World Cup qualifying groups will go direct to the World Cup. The 12 runners-up enter playoffs.

There are also four playoff slots for the best UNL group winners who do not finish in the top two of a World Cup group. What does that mean? Well, the UNL League A winners are very unlikely to need a World Cup playoff, which means winning a League B group will almost certainly give you a playoff, and being one of the best League C group winners gives a great chance.

There are 16 teams in the playoffs, creating four paths with one-legged semifinals and a final, to be played in March 2026.

UEFA and FIFA certainly know how to make this complicated.

What's at stake in the Nations League this week

This section will be updated through the final matches until the end of the group phase on Nov. 19

LEAGUE A1

Portugal (10 points) need one point to secure a place in the quarterfinals, while Scotland (1) face an uphill struggle to avoid relegation to League B.

The real battle is for second and third, with Croatia (7) ahead of Poland (4).

Croatia have the superior head-to-head record so can book a top-two slot with a draw in Scotland on Friday. That will likely leave Poland facing a relegation playoff, though they could yet be overtaken by Scotland on the final day when the two countries meet in Warsaw.

LEAGUE A2

Italy (10) and France (9) are clear in first and second and, while Belgium (4) still have a mathematical chance, the quarterfinals spots might already be sealed. Belgium host Italy in Brussels on Thursday and must win to keep their hopes alive.

It looks like Belgium will face a relegation playoff, as they sit four points ahead of Israel (0), who have lost all four matches.

LEAGUE A3

Germany (10) have already booked a slot in the quarterfinals, while Bosnia and Herzegovina (1) must win both of their matches to avoid relegation.

Netherlands (5) go into the last week in second but are only ahead of Hungary (5) on goal difference. The two teams meet in Amsterdam on Saturday, and if there's a winner they will be through to the last eight.

LEAGUE A4

Spain (10) have also secured a place in the top two.

Denmark (7) are in a good position and will be through if they better Serbia's result on Friday. If not, it will come down to the meeting between the two teams in Leskovac on Monday.

The best bottom-of-the-group Switzerland (1) can hope for is to climb above Serbia into the relegation playoff place. They face each other in Zürich on Friday, and the Swiss must win to have any chance of climbing off the foot.

LEAGUE B1

The group is completely up in the air, with the four nations separated by three points.

Czechia (7) sit top and have promotion in their own hands but sit just one point ahead of Georgia (6) and Albania (6). Ukraine (4) are bottom yet very much within touching distance of at least a promotion playoff.

Albania have two home games, which gives them an advantage, while Ukraine have it all to do with two away matches. Czechia can seal promotion on Saturday if they win in Albania and Georgia lose at home to Ukraine.

LEAGUE B2

The group may effectively be decided on Thursday when Greece (12) take on England (9) in Athens.

Greece won 2-1 at Wembley in October, so know they will be promoted with a win or a draw. However, if England win by 2+ goals then victory at home to Republic of Ireland (3) on Sunday would secure first place.

If England win by one goal, the nations would be level on points and head-to-head, only separated by a goal difference of two -- meaning the scorelines on the final day would be decisive.

Finland (0) travel to Ireland on Thursday and must win to avoid automatic relegation.

LEAGUE B3

Another group which is impossible to call, with nothing to separate Norway (7), Austria (7) and Slovenia (7).

Norway and Austria could be in the strongest position, as they both have to play rock-bottom Kazakhstan (1). The automatic promotion place cannot be confirmed on Thursday, but Kazakhstan's relegation will be if they fail to win at home to Austria.

LEAGUE B4

Turkey (10) and Wales (8) are in competition to go straight up to League A and meet in Kayseri on Saturday. Turkey will be promoted, and secure a likely World Cup playoff, if they can get a home victory.

Iceland (4) have an outside chance of second, if Wales are defeated, but they would have to win in Montenegro (0) in their first game and then in Cardiff on Tuesday -- which would dump Wales into the relegation playoff. Montenegro must win at home to Turkey to stand any chance of avoiding instant relegation.

LEAGUE C1

Sweden (10) are above Slovakia (10) on goal difference with the two countries meeting in Solna on Saturday. If there's a winner in that game, it will come with automatic promotion. If the game is a draw, Slovakia may require a huge win over Estonia on Tuesday to finish top because of inferior goal difference.

Azerbaijan (0) host Estonia (3) on Saturday and must win to avoid being last. Having zero points, Azerbaijan also face being automatically relegated to League D.

LEAGUE C2

Romania (12) have the best record in League C, meaning they have an excellent chance of a World Cup playoff through the UNL -- if they can hold on to top spot. They host Kosovo (9) on Friday, and a draw will secure it. Kosovo lost 3-0 at home to Romania, so would need a huge win in Bucharest to reverse the head-to-head record. The odds are that Kosovo will finish second even if they produce a shock.

Lithuania (0) must win in Cyprus (3) to have any chance of avoiding bottom spot. Like Azerbaijan, Lithuania face automatic relegation having lost every match.

LEAGUE C3

A close group headed by Northern Ireland (7), followed by Belarus (6) and Bulgaria (5). Northern Ireland host Belarus on Friday and will be promoted with a victory if Bulgaria fail to win in Luxembourg (2).

If Luxembourg can get a victory, they have a real chance of avoiding last place and couldn't be automatically relegated.

LEAGUE C4

North Macedonia (10) are all but assured of promotion, and their record could yet get them a route to the World Cup playoffs. They need one point to secure first place.

The real battle is for the other three places between Armenia (4), Latvia (4) and Faroe Islands (3). The Faroes have two away matches, which puts them at a distinct disadvantage, but they aren't facing a realistic threat of automatic relegation.

LEAGUE D1

Gibraltar (5) will be promoted with a win or draw in San Marino (3) on Friday.

Liechtenstein (2) will have second to play for when they take on San Marino on Monday, but they cannot win the group.

LEAGUE D2

Moldova (6) lead Malta (6) on head-to-head goal difference. Moldova will be promoted if they win in Andorra (0) on Saturday, which will consign Malta to a playoff.