Cape Town - Five-times Grand Slam winner Maria Sharapova announced her retirement from competitive tennis on Wednesday.
The Russian, who returned to the sport after she was suspended for taking a banned substance in 2016, has struggled with injury since her return.
The 32-year old won her first Grand Slam at Wimbledon in 2004.
She added the US Open in 2006, won the Australian Open in 2008 and the French Open in 2012 and 2014.
She also won a silver medal in the singles competition at the 2012 Olympic Games in London.