Serena Williams loses at French Open; Roger Federer withdraws

Serena Williams reacts after missing a shot as she plays against Elena Rybakina during their fourth round match on Day 8 of the French Open tennis tournament at Roland Garros in Paris, France, on Sunday, June 6, 2021. (AP Photo/Thibault Camus)

PARIS — Serena Williams turns 40 in September. Roger Federer hits that milestone the month before. No one knows how many more French Open appearances each will make, and this year’s tournament ended for both on Sunday.