Tunisia's Ons Jabeur returns the ball to Slovakia's Dominika Cibulkova during their tennis match at the Roland Garros 2017 French Open on May 31, 2017 in Paris. / AFP PHOTO / Thomas SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)
Tunisia's Ons Jabeur returns the ball to Slovakia's Dominika Cibulkova during their tennis match at the Roland Garros 2017 French Open on May 31, 2017 in Paris. / AFP PHOTO / Thomas SAMSON (Photo credit should read THOMAS SAMSON/AFP/Getty Images)