After a glittering 27-year professional career in which she became one of the greatest players of all time, Serena Williams is preparing to bid farewell to tennis at the major where it all began.
The 40-year-old sporting icon ended the guessing game surrounding her future earlier this month by revealing that the "countdown" to her retirement had started, with her final Grand Slam appearance expected at the US Open in New York starting on Monday, AFP said.
