Coco Gauff has started a very successful doubles partnership with Christian Harrison. Gauff, who has recently received backlash from American tennis fans, has been representing the USA at the United Cup. The two-time Grand Slam champion has already had it tougher than last year, with Gauff losing to Jessica Bouzas Maneiro.

Coco Gauff defeated World No 2 Iga Swiatek for the fourth match in a row - but was unable to prevent Poland from avenging last year’s United Cup defeat to the United States and return to the final.

Coco Gauff, along with her partner, Christian Harrison, took the United States to the United Cup mixed doubles semifinals after beating Greece’s Maria Sakkari and Stefanos Tsitsipas following an intense tie-breaker.

Coco Gauff continues dominance of Iga Swiatek - but then loses in doubles as defending United Cup champions USA knocked out by Poland in semi-finals in Sydney; Aryna Sabalenka eyeing successive Brisbane International titles after making third straight final,

Coco Gauff showed her ability to dominate and carry a team once again as she helped the US team survive the quarterfinals.

Coco Gauff has just delivered another big time performance against Iga Swiatek after beating the Pole 6-4 6-2 at the United Cup. After Taylor Fritz was beaten by Hubert Hurkacz in the opening match of the United States and Poland semifinal tie at the United Cup, it was up to the reigning French Open champion to save the American team.

The Americans rallied from a set down in the decisive mixed doubles match against Sakkari/Tsitsipas to maintain their title defense hopes.