Coco Gauff overcame second-ranked Iga Swiatek 6-4, 6-4 in the opening singles of the United Cup mixed teams tennis event and the United States went on to win the final by beating Poland 2-0 on Sunday.

Coco Gauff says she is feeling great and plans to play "confident tennis" in a United Cup showdown versus Iga Swiatek. On Saturday, the top-ranked American female tennis player impressively handled the business against Karolina Muchova, dismantling the Czech 6-1 6-4 to help the United States reach the final in Sydney.

SYDNEY, Australia (AFP) — Coco Gauff roared past Iga Swiatek to inspire team USA Sunday before Taylor Fritz sealed the United Cup title with victory over Poland’s Hubert Hurkacz in Sydney. Gauff opened with a statement 6-4, 6-4 win over Swiatek in 1hr 51min of hard-hitting tennis to fire a warning shot ahead of the Australian Open.