In Third Retirement, Martina Hingis Cedes Her Doubles Kingdom - The New York Times
Martina Hingis (@mhingis) / Twitter
Martina Hingis | Biography, Titles, & Facts | Britannica
Martina Hingis Biography, Achievements, Career Stats, Records & Career Info - Sportskeeda
Martina Hingis: separation from her husband Harald Leemann - News in Germany
Martina Hingis of Switzerland sticks out her tongue during her hard fought win over Iva Majoli of Croatia in their match at the U.S. Open Tennis Championship in New York, August 31,
Wimbledon: 'Insane, amazing' - Kim Clijsters, Martina Hingis lead praise for mum-of-two Tatjana Maria's run - Eurosport
Martina Hingis
Martina Hingis' Hall of Fame career - Sports Illustrated