(CNN) - Andre Agassi felt his life was not his own until he was nearly 30, and now he wants to help young people take charge of their own lives, the retired tennis star told CNN's Anderson Cooper.
In "Open: An Autobiography," Agassi describes the loneliness and pressure of growing up under his father's relentless expectations of greatness.
"It was definitely a life I didn't choose," Agassi said during an interview for CNN’s "Anderson Cooper 360°."
The former No. 1 tennis player in the world wrote that he resented what the pursuit of stardom did to his childhood and self worth.
"Do you really hate tennis? (If so,) I think you misdirect it," he told Cooper. "I think you hate what tennis does to your family, you hate what tennis makes you feel."
The flamboyant clothes and long hair for which he was famous early in his career were not self-expression but a quest for identity, he said.
He said his resentment hurt his game.
"I could have been better," the eight-time Grand Slam tournament winner and Olympic gold medalist told Cooper.
He admits in the book that he used crystal meth for a time, and he told Cooper that sports' governing bodies need to set and enforce strict standards on the use of performance-enhancing and recreational drugs.
Agassi's father, whose blind ambition caused Agassi so much misery, hasn't read the book, he said. "’What the hell do I need a book for? I was there, I was there,’" Agassi said his father told him.
His father's only regret is that he didn't push Agassi into golf or baseball instead of tennis, "’because you can play longer and make more money,’" Agassi said with a laugh, recounting a conversation with his father.
"And I said, 'You know what? God bless you, man. God bless you.' He was clear then and he's clear now, and we all should be so lucky to know ourselves so well."
Agassi, who dropped out of school after ninth grade to pursue his tennis career, now owns a K-12 charter school in Las Vegas, Nevada. The 653 students attend tuition-free.
"With education comes choices, comes options," Agassi told Cooper. "My goal is to take (my pool of resources) and give that to those children who society says we should write off, that don't have a chance."
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