England was drawn in Group B facing Russia, Wales and Slovakia with their opening UEFA Euro 2016 match against Fabio Capello's men on June 11 at the Stade Vélodrome. Hart insists his team must perform well in order to get the results they are seeking.
Speaking with the press after Thursday's training, the England international has urged Roy Hodgson's squad to play with passion in order to win their games in hopes to obtain European glory this summer.
"There are going to be key moments, it is pretty simple – in tournament football, key moments are the big points of the games, and if we could be on the right end of the key moments then we are going to go far in this tournament.
"Playing to a decent standard sometimes is not enough. We have got to be really ruthless at both ends of the pitch. That is an obvious thing – it is what stood out in the two games we lost in the World Cup [against Italy and Uruguay]. We could have walked off with two victories, but we didn't."
Manchester City's keeper also talked about his thoughts on his privileged position on England's national team.
"You've got to enjoy it. At heart, I am a kid who loves football. I'm not a kid any more, I'm a slightly grown man but I love football and would be watching as a huge England fan if I wasn't involved. I'm lucky to be potentially representing my country in a European tournament, so I'm going to enjoy it."
The 29-year-old goalkeeper has made 59 appearances for the Three Lions.
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