Bartoli made the announcement shortly after losing the second round match of the Cincinnati Masters to Simona Halep of Romania.
Haelp defeated Bartoli by 3-6, 6-4, 6-1 margin.
"It's time for me to retire...I feel it is time for me to walk away," Bartoli told reporters.
Bartoli lifted her first Grand Slam title by defeating Sabine Lisicki of Germany in the Wimbledon women's singles final in July this year.
Bartoli defeated her opponent by 6-1, 6-4 margin.
--IBNS (Posted on 15-08-2013)