Wimbledon Champions Jannik Sinner and Iga Swiatek Get Off to Good Starts at the US Open

Jannik Sinner, of Italy, serves to Vit Kopriva, of the Czech Republic, during the first round of the U.S. Open tennis championships in New York, on Aug. 26, 2025. Yuki Iwamura/AP Photo

NEW YORK—Iga Swiatek is trying to do something no woman has done since Serena Williams in 2012: win the U.S. Open and Wimbledon in the same season.

Jannik Sinner is trying to do something no man has done since Roger Federer in 2008: repeat as U.S. Open champion.