Iniesta explained how world cup goal saved him, Andres Iniesta says scoring the winning goal in the 2010 World Cup final helped him recover from depression
Iniesta suffered following the death of his close friend Dani Jarque in 2009.
The former Espanyol midfielder died at the age of just 26 after a heart attack.
Meanwhile, After Iniesta strike to land Spain there first ever World cup glory, he revealed an undershirt reading "Dani Jarque: siempre con nosotros", meaning "always with us".
"Unfortunately, I had to experience several misfortunes in a row, even though I was really successful at the time," Iniesta told Bild am Sonntag.
"But then my friend Dani Jarque died in August 2009, which really put me in such a fragile situation that I needed professional help.
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"It was certainly the hardest phase of my life. It was very good for me to have the support of Anna, my then girlfriend and current wife, and of course that of my parents.
In addition, Iniesta said his goal against the Netherlands was "the beginning of the improvement."
"Fortunately, this phase is a thing of the past," Iniesta added. "A phase that made me stronger and better."
The former Barcelona star has been really honest about his struggles with depression in the past.
Iniesta is regarded as one of the most successful players in Barca’s history and one of Spain’s greatest ever player
"You feel that it's not you, that you don't enjoy things, that the people around you are just people," he once explained to Antena 3 TV.
"You have no feelings or passion. You end up feeling empty inside and there is a moment that you realise that you cannot take it anymore.
"I had the ability to see that I needed to see someone to get out of that situation. The important thing is that in that period I never lost the spark."