A group of leading players including Novak Djokovic, Jannik Sinner, Aryna Sabalenka and Coco Gauff have expressed "their deep disappointment' at the level on prize money at Roland Garros amid a lingering dispute with Grand Slam tournament organisers.

"We send him our best wishes and hope to see him back on court very soon," the clay-court tournament wrote Friday in announcing Djokovic's withdrawal in an Instagram message