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. Taylor Fritz beat Hubert Hurkacz 6-4,

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.

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.

Coco Gauff has just clinched back-to-back wins over Iga Swiatek for the first time in her career after beating the world No. 2 6-4 6-4 in the opening match of the United States and Poland final at the United Cup.

Five-time Grand Slam winner Swiatek was on court for the first time since she served a one-month ban for a doping violation. Read more at straitstimes.com.

In Sydney, Italy earlier won Group D to qualify for the quarterfinals. Winners of the past two Davis Cups and runners-up two years ago to the U.S. in the inaugural edition of the season-opening mixed teams’ event, Italy won its group without world No.1 Jannik Sinner.

Here is all you need to know about the final tie of United Cup: preview, schedule, match-ups and live streaming details

Coco Gauff and Taylor Fritz led the top-seeded United States to a sweep of second-seeded Poland, winning the United Cup championship in Sydney on Sunday.