South Korea enter their final Group H game at the Qatar World Cup in need of a win and some luck if they are to reach the last 16.
Meanwhile, their opponents here, Portugal, have beaten both of those sides to secure a place in the knockout rounds.
Therefore, to progress, South Korea must beat Portugal by a two-goal margin and hope Ghana draw with Uruguay.
Here’s all you need to know.
When is it?
South Korea vs Portugal is scheduled to kick off at 3pm GMT on Friday 2 December.
The match is set to take place at the Education City Stadium in Al-Rayyan.
How can I watch it?
In the UK, the game will air live on BBC One, and it will also stream live on the BBC iPlayer website and app.
South Korea XI: Seung-gyu; Moon-hwan, Young-gwonm, Kyung-won Kwon, Jin-su; In-beom Hwang, Jung; Kang-in Lee, Jae-sung Lee, Son; Cho
Portugal XI: Costa; Cancelo, Pepe, Silva, Dalot; Nunes, Neves, Vitinha; Mario; Ronaldo, Horta
South Korea - 4/1
Portugal - 4/6
Draw - 31/10
Portugal seem to be gradually hitting their stride, and they should have too much momentum for a valiant but vulnerable South Korea. South Korea 1-2 Portugal.