Japan defender Yuto Nagatomo has called on his team-mates to evoke the 'Samurai spirit' as they aim to overcome 2018's beaten finalists Croatia on Monday and book their place in the World Cup quarter-finals for the first time in their history.
The 36-year-old insists recent improvements in tactics and technique will count for nothing unless his side continue to display the kind of fearless approach that saw them snatch a place in the knockout rounds with stunning victories over Germany and Spain to top Group E.
"I think this is a great opportunity for us to show the world how we can fight like Samurai," said Nagatomo, now back at FC Tokyo after a career that included spells in Europe with Inter Milan, Galatasaray and Marseille.
"Before they go into battle they polish their weapons and try to improve their techniques, but if they are scared during battle, they would not be able to use those weapons and techniques fully.
"It’s exactly the same with football – of course the tactics and techniques are important, but no matter how much we have improved those, if we are scared when we are on the field, those things are useless.
"In order to maximise all the tactics that we have been discussing and practising for the last four years, the first condition is to have courage."
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Japan coach Hajime Moriyasu is without defender Ko Itakura who picked up his second yellow card in the win over Spain, with Takehiro Tomiyasu expected to deputise.
Moriyasu believes the individual quality of his players is what has made the difference in their success so far, and will prove crucial if they are to beat Croatia and make history.
"Japan has always been a team that can play an organised game, but unless the individual players are strong, this is not really sufficient," said Moriyasu. "In the last four years, the individual players have become much more capable."
Croatia coach Zlatko Dalic says his side will not underestimate the challenge represented by the Japanese, and warned his players they must conjure the same mentality if they are to move into the last eight.
"What is of the utmost importance is to demonstrate respect for our opponents," said Dalic. "They beat World Cup winners in Spain and Germany and they showed their mentality and their mental strength.
"They will apply the Samurai philosophy in their games and if we want to go further, we must apply that same standard and attitude and never underestimate anyone."
Croatia will give a late test to full-back Borna Sosa, who has been struggling with a minor injury since his side squeezed through Group F in second place after a goalless draw against Belgium.
Xherdan Shaqiri believes Switzerland have all the tools they need to make it to the World Cup quarter-finals, but they will need to work together if they are to beat Portugal in the last-16 on Tuesday.
The Swiss were on the wrong end of a 4-1 thrashing in Lisbon when the sides met in the Nations League in June before bouncing back with a 1-0 win, but none of that will matter in a knockout game, Shaqiri said.
"For me it is gonna be totally different, because there is no friendly game, this is no Nations League, the pressure is high, and so now it's important how the players deal with this pressure," the 31-year-old told reporters.
"We need a special performance. Portugal to be honest, they are a good team and for me also the favourite in this game, but we know our qualities too. We will try to have a good, special performance and try to cause them a lot of problem in the game."
Winger Shaqiri scored in Switzerland's high-pressure 3-2 win over Serbia to set up the clash with Cristiano Ronaldo's Portugal, and with the focus now switching to knockout football, the stakes are even higher.
"The key is really to have special performance from the whole team because you know, we are Switzerland, we have no Cristianos in our team," Shaqiri said with a wry smile.
"As a team, we are always successful and this is gonna be also in this game the same. Everybody (has to) stick together. If everybody goes to the highest level of their performance, then I'm sure we have a chance to go through.
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