Wimbledon is the last Grand Slam to play 64 matches on its first day. That's worse for revenue, but better for tennis.

LONDON—It's become part of Novak Djokovic's routine now, particularly at Grand Slam tournaments: He shows up and gets asked — at the start of the event, during the event, after the event or sometimes all three — whether this will be his final appearance there.

Coco Gauff has learned her path to the Wimbledon title and the world No. 2 could possibly meet two Grand Slam champions in her opening three matches at The Championships. At The All England Club, the new two-time Grand Slam champion will start by taking on world No. 42 Dayana Yastremska, against whom she owns a 3-0 head-to-head record.