Novak Djokovic of Serbia and Aryna Sabalenka of Belarus attend a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Italy's Jannik Sinner during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships, England.

Carlos Alcaraz of Spain plays a return during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Aryna Sabalenka of Belarus during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Coco Gauff during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships, England.

Novak Djokovic of Serbia and Aryna Sabalenka of Belarus attend a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Stefanos Tsitsipas of Greece plays a return during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Jannik Sinner of Italy plays a return during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Novak Djokovic of Serbia sits in his chair during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.

Novak Djokovic of Serbia plays a return during a practice session at the All England Lawn Tennis and Croquet Club, ahead of the Wimbledon Championships in London.