Spain boss Vicente del Bosque felt his team let themselves down in front of goal in the 2-1 friendly win over Puerto Rico on Wednesday.
First-half strikes from Santi Cazorla and Cesc Fabregas proved enough to see off opponents ranked 138th in the world but it was a laboured performance by the World and European champions, a fact the former Real Madrid boss acknowledged.
“We had opportunities to score more goals but perhaps we were not accurate enough in the end.
“We did what we had to do but we weren’t assertive,” Del Bosque admitted in a brief Press conference after the game.
The 61-year-old added that he though the heat and humidity played a part in the below-par Spanish display, whilst the length of the grass in Bayamon’s Estadio Juan Ramon Loubriel was not conducive to his team’s usual fluid passing game, although he refused to make that an excuse.
A further negative aspect, according to Del Bosque, was a knee injury suffered by Juanfran that caused the player to leave the pitch after just 18 minutes.