Repeat: After an early retirement due to injury in 2002 at the age of 22, Hingis made a return to tennis in 2006 but quit in 2007 after testing positive for cocaine in a routine drug test.
After an early retirement due to injury in 2002 at the age of 22, Hingis made a return to tennis in 2006 but quit in 2007 after testing positive for cocaine in a routine drug test.