Andre Agassi admits the use of recreational drug crystal meth is his playing days in his recent autobiography titled Open: An Autobiography.

According to reports from the New York daily news the tennis legend used the drug in 2007, the year that his ranking dropped to No. 141. The book also details his troubled marriage to Brooke Shields and the love he found with his current wife Steffi Graf.

Andre Agassi, now 39, retired in 2006 after 20 years as a professional tennis player. His career record was 870-274.