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.

Mario Ferraro produced a fight and the game-winning goal, Marc-Edouard Vlasic notched a point in his season debut and the San Jose Sharks broke an eight-game losing streak by edging the visiting Tampa Bay Lightning 2-1 on Thursday.

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.