Luis Enrique recounted Spain have "many stuff to enhance" on after La Roja have been lucky to attract against the Czech Republic.
Gavi, elderly 17 years and 304 days, became the youngest ever participant to score for Spain as he curled in to cancel out Jakub Pesek's fourth-minute opener in Prague.
The Barcelona midfielder's strike additionally supposed Spain have scored in 16 straight video games in all competitions, handiest twice achieving such longer streaks in records.
Jan Kutcha however edged Czech Republic in advance in the Nations League encounter as he chipped over the onrushing Unai Simon in the 2d 1/2.
But there was to be past due drama as Inigo Martinez's 90th-minute header snatched a factor for Spain, who take a seat two points behind Group A2 joint-leaders Czech Republic and Portugal after two video games.
With simply one crew progressing to the Nations League finals, Luis Enrique turned into happy to pick out up a factor but entreated his facet to improve.
Asked whether the stalemate might preserve the critics quiet, the Spain teach advised journalists: "Noise is the most beautiful issue inside the global of soccer. I recognize what I play, I know where I'm going.
"There are many things to enhance. But the best thing about drawing is that the rival does not add 3 points.
"The crucial component is that the rival does no longer get away us."
Luis Enrique was additionally short to heap reward on teenage star Gavi after yet another best performance in midfield.