Taylor Fritz of the United States reacts during the men's singles match against Cameron Norrie of Britain at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Cameron Norrie of Britain competes during the men's singles match against Taylor Fritz of the United States at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Taylor Fritz of the United States serves during the men's singles match against Cameron Norrie of Britain at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Cameron Norrie of Britain competes during the men's singles match against Taylor Fritz of the United States at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Katie Boulter (Front-L) /Cameron Norrie of Britain hits a return to Taylor Fritz(Top R)/Jessica Pegula(Top L) of the United States during the mixed doubles match at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Katie Boulter (2nd L) /Cameron Norrie (1st L) of Britain and Taylor Fritz(1st R)/Jessica Pegula (2nd R) of the United States pose for photos before the mixed doubles match at the 2024 United Cup Group C match between the United States and Britain in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Zhen Qinwen of China returns to Olga Danilovic of Serbia during the women's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Novak Djokovic of Serbia returns to Zhang Zhizhen of China during the men's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Novak Djokovic of Serbia serves to Zhang Zhizhen of China during the men's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Zhang Zhizhen of China serves to Novak Djokovic of Serbia during the men's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Zhen Qinwen of China celebrates scoring against Olga Danilovic of Serbia during the women's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
Novak Djokovic of Serbia serves to Zhang Zhizhen of China during the men's singles match at the 2024 United Cup Group E match between China and Serbia in Perth, Australia, Dec. 31, 2023. (Photo by Zhou Dan/Xinhua)
