Martina Hingis will play her first singles match since 2007 on Saturday when they faces Poland 's Agnieszka Radwanksa in the Fed Cup for Switzerland . Hingis won all five of her Grand Slam titles by the age of 18 and had the world at her feet , before retiring at the age of 22 in February 2003 due to injuries . The 34-year-old was ranked No 1 in the world for 209 weeks - the fourth all-time behind Steffi Graf , Martina Navratilova and Chris Evert - and is poised to return . Martina Hingis will play her first singles match since 2007 on Saturday as she makes her comeback . Hingis ' match with world No 9 Radwanksa will be the 34-year-old 's first singles match in eight years . Australian Open ( 1997 , 1998 , 1999 ) Wimbledon ( 1997 ) US Open ( 1997 ) French Open runner-up ( 1997 , 1999 ) Total career singles titles : 43 . Total career doubles titles : 44 . Career prize money : $ 20,974,066 . Hingis also came back in 2005 but was banned for two years in January 2008 , effective from October 2007 , after failing a doping test by testing positive for benzoylecgonine , a metabolite of cocaine . She returned again at Wimbledon 2013 and has been playing doubles for the last two years . Hingis partnered India 's Leander Paes to the mixed doubles title at the Australian Open previously , before winning the Indian Wells and Miami women 's doubles with Sania Mirza . But facing world No 9 Radwanksa will be her first singles match in eight years . Hingis of Switzerland holds up her women 's singles trophy outside the Arthur Ashe Stadium at the US Open . Hingis won all five of her Grand Slam titles by the age of 18 and is pictured kissing the Australian Open trophy . The 34-year-old was ranked No 1 in the world for 209 weeks in her prime and is poised to return on Saturday .
Martina Hingis faces Poland 's Agnieszka Radwanksa in the Fed Cup . Saturday 's tie will be her first singles match since 2007 . Hingis won all 44 of her Grand Slam titles by the age of 18 . The now-34-year-old retired at the age of 22 in February 2003 citing injuries .