Australian tennis player Nick Kyrgios said the lawsuit filed by the Professional Tennis Players' Association (PTPA) against the sport's governing bodies marks a "special moment" and that it was high time the players' voices were heard.

Carlos Alcaraz has publicly denounced the Novak Djokovic-led PTPA after being named in a lawsuit concerning tennis scheduling mismanagement.

The Professional Tennis Players Association (PTPA) has filed papers in New York taking legal action against tennis ATP, WTA and ITF; PTPA alleges anti-competitive practices and lack of player welfare in sport;