Although progress early, Northern Ireland failed to score a shot on the goal throughout the game.
“With regard to the place we need to reach as one team, we need to be able to keep the ball a little better and then review when we win it, and we may find a little more in terms of our level of possession as well and this will help us to bear a greater threat.”
Knowing that they will face Germany in the World Cup qualifiers in September, O'Neill took awareness of friendly at a higher level than the opposition from his team, who faced him when obtaining the promotion of the third layer of the Nations League.
The opposite of Saturday was the fourth in the past 14 match, a race that began with a 2-0 victory over Denmark in Belfast in November 2023,
In losses against Spain 12 months ago and against Sweden in March, Northern Ireland has shipped five goals, although they are largely defended, a sign of progress in Copenhagen, the game against Iceland will constitute a different challenge.
However, visitors arrived in Belfast by beating Scotland on Friday night.
“We must be better with the ball. How do we put ourselves as one team that will be a little different,” O'Neel said.
“The difference is more than a similar level, to be honest, so that it helps us in itself, although they have a very good result against Scotland in Hamden Park and played very well.
“So it will be a difficult test, but it is just a different game for us. It's a game where we expect to get more ball, responsibility and burden we have to take the initiative in the game clearly.”
