Postpublished at 16:58 British Summer Time 14 June 2021
Poland v Slovakia (17:00 BST)
The players are out on the pitch and we've just had the national anthems.
Almost time for kick off...
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Slovakia impress in surprise victory over 10-man Poland
Superb Mak run leads to Szczesny own goal for Slovakia opener
No keeper had ever scored an own goal at a Euros before
Poland reply at start of second half through scuffed Linetty effort
Poles down to 10 - second yellow for Krychowiak
Skriniar scores Slovakia winner with low drive
Game played in St Petersburg, Russia
First game in Group E - Spain play Sweden later
Gary Rose
Poland v Slovakia (17:00 BST)
The players are out on the pitch and we've just had the national anthems.
Almost time for kick off...
Poland v Slovakia (17:00 BST)
Lukas Vrablik
Sports journalist from Slovakia on BBC Radio 5 live
Marek Hamsik has for a long time been the world class player in the Slovakia squad. He's really important for the team, he's the best goalscorer in Slovakia's history. Slovakia has had a problem with the centre forward position, so Hamsik has been even more important.
Poland v Slovakia (17:00 BST)
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Poland v Slovakia (17:00 BST)
Will we see 17-year-old midfielder Kacper Kozlowski today?
The teenager, who has been dubbed 'the Polish Pogba' and linked with Manchester United,, external is on the bench.
#bbcfootball or text 81111 (UK only - texts will be charged at your standard message rate)
Robert Lewandowski enters the fray today, but will he finish top scorer at Euro 2020? It will be tough because despite his sensational form at club and country level generally he has had a bit of a drought at tournaments.
He's scored only one goal in his past 10 games in major competitions - against Portugal in the Euro 2016 quarter-finals.
Who are you fancying for Euro 2020 top scorer? Let us know via #bbcfootball or text in 81111 (UK only - texts will be charged at your standard message rate)
Poland v Slovakia (17:00 BST)
Slovakia will certainly be no slouches as they look to replicate their achievement at Euro 2016 by getting out of their group.
At the tournament five years ago, no player was involved in more goals (two - one goal, one assist), had more shots (10) or made more successful passes (181) for Slovakia than midfielder Marek Hamsik.
Poland v Slovakia (17:00 BST)
We are in St Petersburg for this one at the 68,000-capacity Gazprom Arena, which will be at 50% capacity.
The fans have been getting in the mood for the game over the last few hours.
Poland v Slovakia (17:00 BST)
Mark Lawrenson
BBC football expert
Slovakia can be a bit flaky at times and in Robert Lewandowski, Poland have got the perfect player to punish any defensive lapses.
Lawro's prediction: 2-0
Poland v Slovakia (17:00 BST)
Poland's starting 11 includes Southampton defender Jan Bednarek, Leeds midfielder Mateusz Klich and Derby winger Kamil Jozwiak.
Striker Robert Lewandowski is their main threat and goalkeeper Wojciech Szczesny will be a familiar name to English fans after his spell at Arsenal.
Poland: Szczesny; Bereszynski, Glik, Bednarek; Jozwiak, Krychowiak, Linetty, Rybus; Klich, Zielinski; Lewandowski.
Subs: Dawidowicz, Kedziora, Kozlowski, Swiderski, Skorupski, Moder, Placheta, Frankowski, Fabianski, Swierczok, Helik, Puchacz.
Slovakia include Newcastle goalkeeper Martin Dubravka in their side, while they are captained by 33-year-old midfielder Marek Hamsik, who now plays in Sweden for IFK Gothenburg, but made his name at Napoli in Italy.
Slovakia: Dubravka; Pekarík, Satka, Skriniar, Hubocan; Kucka, Hromada; Haraslin, Hamsik, Mak; Duda.
Subs: Vavro, Gregus, Weiss, Suslov, Benes, Kuciak, Hrosovsky, Hancko, Duris, Lobotka, Rodak, Koscelnik.
Poland v Slovakia (17:00 BST)
Poland's form heading into Euro 2020 hasn't exactly been sparkling. Of the five games they have played this year they have won only one - against Andorra.
It is hardly the sort of run of results that will have fans confident in their side's prospects of doing well, but while you've got this man in your ranks...
... then you've always got a chance.