The last time the tennis world saw Coco Gauff on the court, she was holding up the WTA Finals trophy with confetti flying through the air. The 20-year-old did not miss a beat in her month away from competition.

Coco Gauff has gotten her revenge on Donna Vekic after routing the Croatian tennis star 6-4 6-2 and later admitted that she was extra motivated to win their United Cup match. Half a year ago, the American suffered one of her most heartbreaking losses when she was beaten by the world No. 18 in the Paris Olympics round-of-16.

The United States and Italy both booked tickets to the United Cup quarterfinals on Tuesday, with Coco Gauff setting a marker for her rivals ahead of next month's Australian Open.

The top-seeded pair of Coco Gauff and US Open finalist Taylor Fritz of the United States are into the United Cup mixed teams tennis quarterfinals.

World No.3 Coco Gauff got revenge for a Paris Olympics loss to Donna Vekic at the United Cup, ensuring that Team USA will top Group A in Perth.

The last meeting between the pair while representing their countries came at the Paris Olympics, with Vekic claiming a shock victory on her way to a silver medal, but Gauff was in control this time ar

In Sydney, Italy also moved into the quarterfinals Tuesday with a 3-0 win over France at Ken Rosewall Arena. Flavio Cobolli claimed a 6-3, 6-7 (8), 6-2 upset singles win over France’s Ugo Humbert. Jasmine Paolini beat Chloe Paquet 6-0, 6-2 to give Italy its winning margin before also winning the mixed doubles.

World No.3 Coco Gauff looked sharp in her opening win for Team USA at the United Cup, besting Canada's Leylah Fernandez to give the Americans an early lead in Perth.