With Argentina and Mexico to meet later this evening, the result in this clash could either send Saudi through to the last-16 for only the second time or continue to leave Group C right up for grabs.
How Herve Renard manages his team after their huge win over Argentine will be interesting to watch.
As will Poland’s plans when starting as favourites despite putting in an underwhelming display to open their World Cup.
Here are all the details ahead of kick-off…
Where to watch Poland vs Saudi Arabia
TV channel: In the UK, the match will be televised free-to-air and live on BBC One, with coverage beginning at 12.30pm for a 1pm GMT kick-off.
Live stream: The BBC iPlayer will broadcast the match live online.
Live blog: You can follow all the action via Standard Sport’s live blog.