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.

Novak Djokovic continues his quest for a record 25th Grand Slam title against Flavio Cobolli and Poland's Iga Swiatek looks to get past Liudmila Samsonova, while Jannik Sinner battles an injury going into the quarter-finals at Wimbledon.