SYDNEY -- Coco Gauff gave Team USA the early lead over Poland after defeating Iga Swiatek 6-4, 6-4 in the United Cup final on Sunday. In a blockbuster showdown between the World No.2 and World No.3, Gauff repeated her feat from the WTA Finals Riyadh by toppling Swiatek for a second straight time.

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.

Poland marched into a second successive final at the United Cup mixed team tennis tournament on Saturday with a convincing 2-0 victory over Kazakhstan after Hubert Hurkacz and Iga Swiatek won their singles matches.