There was an unknown factor about Jannik Sinner's condition after the problems he had during the match against Holger Rune at the 2025 Australian Open. The world No.1 swept away any doubts by demolishing Alex de Minaur in the last quarterfinal and reached the semifinals of the Happy Slam,

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)

Novak Djokovic admitted he was concerned about his physical state but his motivation to win an 11th Australian Open title was on full display in a brilliant victory over Carlos Alcaraz. The 37-year-old recovered from a set down after sustaining a left leg injury to claim a 4-6 6-4 6-3 6-4 triumph at 12.