The two best men's players in the world are reconfiguring the sport before their opponents' eyes. They don't know what to do about it

Carlos Alcaraz was in fine form as he cruised to a first-round win at the Australian Open, but it was his comments on Jannik Sinner which drew attention.

When Carlos Alcaraz is on court for a training session, perhaps working on his newly revamped service motion, he’s doing so to buttress a game already good enough to claim four Grand Slam titles

Novak Djokovic and Jannik Sinner both required medical attention in their most recent matches after struggling physically on court. Their timeouts threw off their opponents.

Carlos Alcaraz apologised to Jannik Sinner after criticising the world No.1 following his opening-round win at the Australian Open. Alcaraz looked at his very best in the straight sets victory against Alexander Shevchenko, taking the game 6-1, 7-5, 6-1

FILE - Italy’s Jannik Sinner returns the ball to Netherlands’ Tallon Griekspoor during the Davis Cup final tennis match between Netherlands and Italy at the Martin Carpena Sports Hall in Malaga, southern Spain, Sunday, Nov. 24, 2024. (AP Photo/Manu Fernandez, File)

The top-ranked Sinner, who is the defending champion at Melbourne Park, and No. 3 Alcaraz are coming off a 2024 season in which they each won two Grand Slam titles.

Novak Djokovic produced a vintage performance to beat Carlos Alcaraz in the Australian Open quarterfinals on Tuesday, moving one step closer towards winning a record-breaking 25th grand slam singles title.

How Novak Djokovic got inside Carlos Alcaraz's head by overcoming an injury during their Australian Open quarterfinals match.

Novak Djokovic defeats Carlos Alcaraz in a thrilling 4-set Australian Open quarterfinal, keeping his pursuit of a record 25th Grand Slam title alive.