Former world number one, Ana Ivanovic, has announced her retirement from tennis at the age of 29.
The Serb has been out with injury since August this year and dropped to 63rd in the world rankings, having won only 15 matches in 2016.
“I can only play if it is up to my own high standards. I can no longer do that so it is time to move on,” she said in a Facebook live video on Wednesday.
Ivanovic won the 2008 French Open and spent 12 weeks as world number one that year.
She reached the French Open semi-final in 2015 and was runner-up at Roland Garros and Wimbledon in 2007 and at the 2008 Australian Open.
“It has been a difficult decision but I have so much to celebrate,” Ivanovic added.
“I began dreaming about playing tennis when I was five and saw Monica Seles playing on TV.
“I have seen heights I never dreamt of achieving.”
Ivanovic also revealed she will be exploring opportunities in business, fashion and beauty, while she continues her work with UNICEF.