Two developing rivalries, the end of an old tradition and a legal battle that could define the tournament's future.

Futterman: Sabalenka is having an outrageous season. She is constantly making finals. She has won tournaments in Brisbane, Miami and Madrid. She is more than 2,000 points ahead of world No. 2 Gauff in the WTA rankings race that counts points won this season.

Carlos Alcaraz starts his bid for a third successive Wimbledon men's title, while volatile women's world number one Aryna Sabalenka will be in the spotlight as the grass-court Grand Slam gets underway on Monday.