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.

Around 8 p.m. Monday, Iga Swiatek was holding up her Cincinnati Open championship trophy. Around 8 a.m. Tuesday, she was getting ready for her mixed doubles match at the U.S. Open in New York City. It’s been a quick turnaround.

Swiatek captured her first Cincinnati Open title without losing a set after beating Jasmine Paolini in the final