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 five 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 .