Spectators booed an injured Novak Djokovic as he left the court in Rod Laver Arena after quitting one set into his Australian Open semifinal against Alexander Zverev.

Just hours before the Australian Open begins, several players have reported physical issues over recent weeks, including Alexander Zverev, Grigor Dimitrov, Jack Draper, and Nick Kyrgios.

America's Tommy Paul faces Germany's Alexander Zverev in the quarterfinals at the Australian Open tonight. Here's how to tune ...

Dimitrov joins the company of athletes count Alexander Zverev, Stefanos Tsitsipas, Jessica Pegula, and Elina Svitolina in its roster. This collaboration is to offer Dimitrov top-tier performance ...