Ghana coach James Kwesi Appiah has bemoaned his team's wastefulness in front of goal following their defeat to the USA at the World Cup.

The Africans squandered numerous opportunities in the final third on Monday night before a late goal from John Brooks saw the USA claim a 2-1 victory.

Despite admitting that his side now faces a tough task getting out of Group G, Appiah insists that his players will give their all in their remaining two games.

"We had a lot of the ball and created a lot of chances, but we didn't make the most of our chances, but USA took theirs," Appiah told FIFA.com. "It's not going to be easy to qualify for the group, but we'll give everything to do just that."

Ghana are back in action on Saturday when they play Germany in Fortaleza.