Martina Hingis withdrew temporarily from professional tennis in 2003 due to ligament injuries in both ankles .
Before ligament injuries in both ankles forced her to withdraw temporarily from professional tennis in 2002 , at the age of 22 , she had won 40 singles titles and 36 doubles titles and , according to Forbes , was the highest-paid female athlete in the world for five consecutive years , 1997 to 2001 .
Martina Hingis