Sara Errani stands at the baseline and exhales deeply. She is about to hit a second serve, with Italy up match point against Poland. A place in the Billie Jean King Cup final is at stake. So Errani does what she has done many,

The defending champions delivered a different sort of script Wednesday, beating Iga Świątek and Casper Ruud 6-3, 5-7, 10-6 in the final.

Italians Sara Errani and Andrea Vavassori retained their mixed doubles title at the U.S. Open on Wednesday, overcoming Iga Swiatek and Casper Ruud 6-3 5-7 10-6 in the competition's reimagined format that drew some of the top singles players.