Former women's tennis great Arantxa Sanchez-Vicario says her parents have drained her of her $55 million wealth and left her struggling to pay off her debts.

Sanchez-Vicario, a four-time grand slam singles winner and former world No.1, wrote in her new memoir Arantxa, Vamos! Memoirs of a Struggle, a Life and a Woman that her parents made her "suffer a lot", EuroSport reported, quoting Spanish magazine La Otra Conica.

"A simple estimate, based on everything I've earned … would reach about 45 million euros ($55 million)," the 40-year-old said.

"My parents left me with nothing and now I am indebted to the [tax authorities] and I will not be quiet.