Alcaraz, Sinner, Djokovic, all looking good ahead of Wimbledon. 

Carlos Alcaraz is preparing his title defence at the All England Lawn Tennis and Croquet Club.
The World No.3 practised on Thursday ahead of the Wimbledon Championships, beginning on Monday.
World No.1 Jannik Sinner, World No.2 Novak Djokovic and World No.4 Alexander Zverev, who is still searching for his maiden grand slam victory, were also on the practice courts.