Former world No.1 who has more Grand Slams than 'Big Three' and faced a career-changing lawsuit

Former tennis prodigy Martina Hingis reached the pinnacle of the WTA rankings at just 16 years old, building a career filled with triumphs and controversies.

• Former world No. 1 who crushed Djokovic, overlooked Nadal and retired at 29 admits: 'I never liked playing tennis'
• A Top 10 WTA player has more money than Federer, Djokovic, and Nadal combined at just 23 years old