Following their defeat to Cote d'Ivoire in their opening game, the Manchester United playmaker is desperate for maximum points when they clash with Greece on Friday
Alberto Zaccheroni's side suffered a 2-1 defeat to Cote d'Ivoire in their opening match in Brazil and, with Greece slumping to a 3-0 loss to Colombia, Thursday's showdown in Natal is a must-win for both.
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"There's nothing we can do but win, and that's all I can really say," Kagawa told reporters. "We've prepared hard for these last few days, but all I can say from my own lips is that we've got to win and get the result we need.
"[Cote d'Ivoire's] front line was incredibly strong, and that image is stuck in our head; it's very similar to how we felt after playing Brazil in the Confederations Cup. We have to go out one more time and do what we have to do, and demonstrate our style. In order to that I want to play as hard as possible tomorrow.
"Everyone needs to focus on the upcoming game, it's not about improving our communication or our link-ups, but about every single one of us going out there and playing as we're capable of doing. That's what's most important for us."
Despite the need for three points, Kagawa insists his side need not make any drastic changes to their approach as they lock horns with Fernando Santos' belligerent outfit.
"There's no need to do anything strange; as soon as the game kicks off at 7PM I have to fight hard for the team," the Manchester United man added. "I'm not worried about how the ball feels or the weather or the other team, I just have to do what I need to do over 90 minutes."