London, Nov 2 Tennis golden boy Andre Agassi has revealed that he confessed to using crystal methamphetamine and dodging a drugs ban in his tell-all autobiography so that people can learn from his difficult times.

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The American tennis legend revealed his use of the substance in his new autobiography "Open" and that he received a call from a doctor working for the ATP in the autumn of 1997 to inform him that he had failed a drug test.

Agassi explained that he protested his innocence and lied, saying the meth was only in his system as he'd drank a friend's spiked drink. He was spared punishment, The Mirror reports.

"It wasn't easy to be so candid. I didn't want to hurt anyone," explained Agassi, 39, in a video to promote his book.

"I wasn't keen on embarrassing myself, but I felt my story was one from which many people could learn: difficult childhood, unhappy first marriage, struggle with professionalism, feeling of inadequacy."

Agassi's had also revealed that his father Mike Agassi asked him to take the drug speed before a tournament and that his taking t, angered the World Anti-Doping Agency. (ANI)