Postpublished at 62 mins
Poland 1-0 Saudi Arabia
This is becoming attack v defence.
Mohammed Al Burayk gets in behind the Poland defence but his right-wing cross goes over the bar.
Wasteful.
Use icon at the top of page for BBC Radio 5 Live radio commentary from the Education City Stadium, Qatar
RESULT: Poland 2-0 Saudi Arabia - Piotr Zielinski gives Poles the lead against the run of play. Wojciech Szczesny makes double penalty save before Robert Lewandowski scores first World Cup goal
Poland drew their opening game 0-0 against Mexico
Four games on Saturday: Tunisia 0-1 Australia, Poland v Saudi Arabia (13:00), France v Denmark (16:00), Argentina v Mexico (19:00)
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Callum Matthews
Poland 1-0 Saudi Arabia
This is becoming attack v defence.
Mohammed Al Burayk gets in behind the Poland defence but his right-wing cross goes over the bar.
Wasteful.
Poland 1-0 Saudi Arabia
What a goal this would have been!
Saudi Arabia captan Salem Al Dawsari shows some brilliant footwork to keep hold of the ball and release Feras Al Brikan in down the left-hand channel.
He takes on the effort with his left-foot, but he slices it over the bar.
Better from Saudi. They are creating openings.
Poland 1-0 Saudi Arabia
Pat Nevin
Former Scotland winger on BBC Radio 5 Live
Give them their dues, Saudi Arabia. The Poland defence have been gobbling up everything that's been going in the box, so they've tried something a bit different - and it's led to two half-chances.
I wonder if the referee has gone in and thought to himself, "I've gone early with five bookings, I need to calm down." You can spoil the game with that.
Poland 1-0 Saudi Arabia
Saud Abdulhamid was heavily involved and looked threatening down the right for Saudi Arabia in the first half.
That didn't stop his manager moving him to the other flank for the second half, though.
Poland 1-0 Saudi Arabia
Better from Poland.
They've done their research and found the way to get at this Saudi Arabia side is to play in behind them.
Bartosz Bereszynski is found in down the left, but his cross is too deep for Robert Lewandowski at the back post.
Poland 1-0 Saudi Arabia
Pat Nevin
Former Scotland winger on BBC Radio 5 Live
Saudi Arabia know that something extra special may be required, as they showed against Argentina. They're trying it.
Poland 1-0 Saudi Arabia
How has that not gone in?
Saudi Arabia work another chance after Salem Al Dawsari blazes high and wide.
A cross from the left lands at the feet of Saleh Al Shehri, who tries to bundle his way through but is crowded out.
The ball drops for Al Dawsari and he flicks towards goal but is denied by Wojciech Szczesny, who has made himself nice and big.
He lets out a huge roar towards the Poland fans as the ball clears the crossbar for a goal kick.
Poland 1-0 Saudi Arabia
Pat Nevin
Former Scotland winger on BBC Radio 5 Live
Saudi Arabia's crosses are meat and drink for Poland's defence. The centre-backs and midfielders are big lumps - maybe that's a bit harsh, but they're big, strong men.
You can't watch Poland without thinking "low block".
Poland 1-0 Saudi Arabia
A switch of play gets Nawaf Al Abid in behind Matty Cash in the Poland right-back area but the cross is blocked behind for a corner.
That is cleared initially, but the recycled ball is met by an ambitious overhead kick, which drifts well wide.
Poland 1-0 Saudi Arabia
Danger!
Mohammed Al Owais comes hurtling out of his box, but unlike Wales' Wayne Hennessy yesterday, he gets to the ball first and puts it out of play.
There would have been a few hearts in mouths there.
Poland 1-0 Saudi Arabia
No, they can't.
It beats the first man but is headed away by the second.
Their set pieces have got to improve.
Poland 1-0 Saudi Arabia
A chance for Saudi Arabia to put the ball into the box as Abdulelah Al Malki is bundled over.
Can they get the delivery right?
It was lacking at times in the first period.
Poland 1-0 Saudi Arabia
Saudi Arabia get the second half under way.
They make one change with Nawaf Al Abid replacing Sami Al Naji.
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HT: Poland 1-0 Saudi Arabia
We've already had one game today.
Australia beat Tunisia 1-0 in Group D thanks to Mitchell Duke's first-half header.
It takes the Socceroos to three points and second in the group.
France play Denmark in the same group at 16:00 GMT.
Have a watch of the highlights.
Poland v Saudi Arabia (13:00 GMT)
Dan Roan
BBC Sports editor
Fans in Saudi Arabia have been unable to watch all of the World Cup after a streaming service was blocked by the country's government.
Tod TV, owned by Qatar-based broadcaster beIN SPORTS, holds the rights to the tournament In Saudi with 22 matches free-to-air.
But 42 can only be watched via a streaming service, that was blocked an hour before the opening ceremony.
The Saudi Media Ministry told viewers the service violated regulations.
Saudi Arabia came from behind to beat two-time winners Argentina 2-1 in their opening match in what is one of the biggest shocks in World Cup history.
Tod has written to advertisers on its platform explaining that it is "experiencing an outage which is currently impacting" its service.
The service also sent a message to viewers saying the situation was due to "matters beyond our control".
Subscribers have complained on social media about the issue.
HT: Poland 1-0 Saudi Arabia
The latest Football News Show looks at the next generation stars that you should be focusing on this World Cup.
England's Jude Bellingham and Bukayo Saka are among them, along with Spain's Gavi.
HT: Poland 1-0 Saudi Arabia
This was the team talk that Saudi Arabia boss Herve Renard gave his side when they were 1-0 down against Argentina in their opening game.
They obviously went on to win 2-1.
More of the same today?
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HT: Poland 1-0 Saudi Arabia
Pat Nevin
Former Scotland winger on BBC Radio 5 Live
Listen to the applause - your team is losing 1-0 but Saudi Arabia are playing really well. They shouldn't be downhearted. It's all down to their manager now.
Poland know that, for a lot of the game, they were second-best. They were passed around in midfield. But they pounced absolutely brilliantly.
They cannot take that for granted because there is enough quality in this Saudi Arabia side. The one thing I would question is that they don't have a great finisher.
As was the case against Argentina, it may be that it takes a fabulous goal to get them back into this.
If you're a Polish person, you're thinking "give us a mention now and again". They haven't deserved it that often. Let's see if they come out more positively for the second half - I think they'll just try to hold on.
HT: Poland 1-0 Saudi Arabia
The Poland midfield and attack haven't offered a huge amount of width in the first half... Still, they're leading at the break so maybe they're onto something?!