Iga Swiatek is the youngest woman since Serena Williams to own Grand Slam titles on all three surfaces after becoming Wimbledon's champion.

LONDON—For weeks while back home in Warsaw last year, Iga Swiatek hung out with friends and made new ones, but didn’t dare tell them about a doping case that was hanging over her. “Obviously, in the back of my mind,

It’s Iga Świątek, the five-time Grand Slam champion who spent 125 weeks as the world No. 1 between early 2022 and late 2024. She’s the No. 8 seed at Wimbledon, but she’s actually the world No. 4. Only four players are left in the draw now, and she is one of them — for the first time.