LONDON — Novak Djokovic began expressing a heartfelt thought about returning to the semifinals at the All England Club — “It means the world to me,” he was saying, “that I’m still able, at 38, to play (in the) final stages of Wimbledon” — when the Centre Court crowd interrupted with yelling and applause.

Jannik Sinner overcame pre-match injury concerns to secure a dominant quarter-final victory against Ben Shelton on Wednesday afternoon at Wimbledon. The top-ranked player in the PIF ATP Rankings delivered a solid performance,