article_snippet.sent: The 34-year-old was ranked No 1 in the world for 209 weeks - the fourth all-time behind Steffi Graf, Martina Hingis and Chris Evert - and is poised to return.
article_snippet.sent: first singles match in eight years.
article_snippet.sent: The 34-year-old was ranked No 1 in the world for 209 weeks in Sania Mirza
article_snippet.sent: prime and is poised to return on Saturday .
highlights_snippet.sent: first singles match since 2007 .
  
highlights_snippet.sent: The now-34-year-old retired at the age of 22 in February 2003 citing injuries .