Ons Jabeur has said she is to take a "step back" from tennis for her own wellbeing.
The WTA announced on Thursday that the Tunisian had withdrawn from the upcoming Montreal Open and added that the 30-year-old was "the only player in the top 99 who has not entered next month's US Open".
"For the past two years I've been pushing myself so hard, fighting through injuries and facing many other challenges," wrote Jabeur in a social media post.
"But, deep down, I haven't felt happy on court for some time now.