Italy defender Giorgio Chiellini admits the Azzurri believed they would defeat New Zealand, but will have to settle for a 1-1 draw against the All Whites.
The stopper also says that the side need to avoid conceding goals from set pieces.
"We knew that it would not be easy, but we thought that we would win," the 25-year-old told Juventus Channel.
"We are disappointed, but we are already thinking about progressing through to the next phase of the tournament by beating Slovakia.
"The goals conceded are never the fault of anyone in particular. We must avoid this situation and rectify similar issues in the future," he concluded.
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How will Group F go? Check out Castrol Football's 2010 FIFA World Cup Group Predictor.