On Monday night, Iga Swiatek won the Cincinnati Open. On Tuesday, she played two U.S. Open doubles matches in New York City.

After back-to-back semifinal losses over the last two years, Iga Swiatek broke through Aug. 17, beating Elena Rybakina for a spot in the finals.

The forehand that grazed the sideline, the temple tap to her team, the sprint around the court. All of it pointed to a player in Iga Swiatek who is as composed as she is ruthless.