Graham Arnold made one change to his Australia team for Wednesday's Group D clash with Denmark as they attempt to reach the last 16 of the World Cup for the first time since 2006.
The Socceroos sit second behind France, two points ahead of the Danes, and will go through with a win, or a draw if Tunisia doesn't beat the world champions in the group's other fixture.
Denmark came into the tournament tipped as a dark horse after getting to the semi-finals of the European Championship last year, but must win and also hope the Tunisians don't beat France by a bigger margin. Danish coach Kasper Hjulmand has switched things up for the decisive fixture with three changes from their narrow defeat by France.
Martin Braithwaite replaces Andreas Cornelius up front and Andreas Skov Olsen comes in on the right-hand side of attack. Mathias Jensen steps into midfield in the place of centre-back Victor Nelson as the Danes switch to a four-man defense.
A second-round tie with the winners of Group C likely awaits whoever prevails at the Al Janoub Stadium.
Lionel Messi and Robert Lewandowski head into Wednesday's showdown between Argentina and Poland with the futures of what could be their final World Cup adventures hanging in the balance. Either one of two of the biggest stars of European club football could fail to qualify for the knockout stages in Qatar and end their careers without tasting glory at the most prestigious tournament of all.
Messi has already netted twice in his last attempt to emulate Diego Maradona and win the World Cup for Argentina and is trying to drag the Albiceleste out of Group C after they were stunned by Saudi Arabia in their opening match. Argentina beat Mexico 2-0 to salvage their campaign and sit second, level on three points with the Saudis and one behind leaders Poland and only a win will guarantee that 35-year-old Messi's Qatar campaign continues into December.
An Argentine exit would devastate fans back home and a worldwide army of Messi fans desperate to see him lift the World Cup.
It would also be a fitting climax to the career of one of football's greatest-ever players, but coach Lionel Scaloni sees such histrionics as unnecessary.
"It's hard to make people understand that the sun will rise tomorrow, win or lose," he said after his side beat Mexico to get their challenge back on track. "What matters is how you do things." Lewandowski was visibly moved by fulfilling his "childhood dream" of scoring his first-ever World Cup goal in what was his fifth match at the finals, a 2-0 win over the Saudis.
The Barcelona forward knows he might not get another chance on this stage should the Poles exit the tournament on Wednesday. "I'm aware it might be my last World Cup and I wanted to be able to say that I've played and scored at World Cups," said the 34-year-old.
Lewandowski is a safer bet to make the last 16 as Poland only need a draw, and even if they lose they are only sure to be knocked out if the Saudis beat Mexico. Poland coach Czeslaw Michniewicz insisted it wasn't simply a contest between the forwards despite the inevitable focus on the two big stars. "It's not only a match between Lewandowski and Messi, it's not tennis," he said.
- France ring changes - In the final Group D matches on Wednesday, Euro 2020 semi-finalists Denmark need to beat Australia to have a chance of reaching the last 16 while already-qualified France takes on Tunisia. "It is a World Cup so emotions are very, very high and football is wonderful -- with football, you can multiply your feelings by 10, the fear of losing is (also) very, very much involved," said Danish boss Kasper Hjulmand. "How can we best handle that? These considerations you have to make."
France coach Didier Deschamps took the opportunity to make nine changes to the starting line-up for the holders, leaving Kylian Mbappe and Antoine Griezmann on the bench. Tunisia needs to beat France to have any hope of progressing. Les Bleus can secure the top spot in the group by avoiding defeat. The Australians know only a point against the Danes will be enough to reach the knockout phase for just the second time as long as Tunisia does not pull off a shock win. On Tuesday, the United States reached the knockout phase by beating Iran 1-0 in a battle of geopolitical foes, earning a second-round meeting with the Netherlands.
Christian Pulisic's winner in the 38th minute of an absorbing contest in Doha eliminated the Iranians. The meeting of the bitter ideological rivals had been marked by a fraught build-up, with Iran's Football Federation demanding on Sunday that FIFA punish US Soccer for posting a modified version of their country's flag on social media.
The defeat ended a fraught campaign for Iran, whose every move in Qatar has been scrutinized for signs the players are showing support for mass anti-government protests that have shaken the Islamic republic. The Americans finished two points behind England in Group B after Gareth Southgate's team cruised past Wales 3-0 in a one-sided 'Battle of Britain' decided by a Marcus Rashford brace and another strike from Manchester City star Phil Foden. England will face Senegal on Sunday after Chelsea defender Kalidou Koulibaly snatched a 2-1 win over Ecuador to finish second behind the Dutch in Group A and knock out the South Americans.
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