The 38-year-old Australian's greatest moment came when she defeated Serena Williams to win the singles crown at the 2011 US Open, which she described as "the pinnacle" of her career.
Austraian Open: Sania and Ram defeated the duo of Australia's Ellen Perez and Netherlands' Matwe Middlekoop 7-6 (8/6), 6-4 in the second-round match at Court 3
Stosur lost 6-2, 6-2to 10th seed Anastasia Pavlyuchenkova in round two and said she had "done more than I ever thought was possible".
Fed Cup: France's Kristina Mladenovic and Caroline Garcia beat Australia's Ashleigh Barty and Samantha Stosur in the deciding doubles match in straight sets.
Ankita Raina, Indias top ranked womens singles player, beat Samantha Stosur to progress to the second round of the WTA 125K Kunping Open.
Sania Mirza and Ivan Dodig, seeded second in the tournament, overcame a slow start to knock out the local pairing with the match going into super tie-break.
Leander Paes and Martina Hingis were beaten 3-6 2-6 by the local pair of Sam Groth and Samantha Stosur in a quarterfinal match that lasted 55 minutes.
Garbine Muguruza defeated Shelby Rogers to set up French Open semi-final with Samantha Stosur, who beat Tsvetana Pironkova
Rafael Nadal lost a nail-biting deciding set to Milas Raonic as the Indian Aces went down to the Philippine Mavericks to end the International Premier Tennis League's Manila leg on a disappointing note.
Russia's Kuznetsova, the winner of 2009 French Open and 2004 US Open, lost the lop-sided match 0-6, 1-6 to her compatriot Anastasia Pavlyuchenkova.