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.

Coco Gauff secured another impressive win against Iga Swiatek at the United Cup in Sydney on Sunday. The 20-year-old American defeated the Polish player 6-4, 6-4, helping the U.S. clinch the tournament title.

A dominant United States lifted its second United Cup mixed team tennis tournament title in three years, beating Poland 2-0 on Sunday.