Translation of the article content into English: The 2025 United Cup mixed team tennis tournament has reached its final round of group matches. The Chinese team, consisting of Zhang Zhizhen, Zhang Shuai, Sun Fajing, Gao Xinyu, and Bai Yan, failed to pull off an upset, losing 1-2 to the reigning champions Germany. With a record of one win and one loss, they secured second place in their group, ensuring their spot in the quarter-finals. Additionally, both the German team and the Kazakh team have locked in first place in their respective groups, securing direct qualification. The United Cup features a total of 18 teams divided into six groups. The top team from each group qualifies directly, along with the two best-performing second-place teams advancing to the quarter-finals. In their first match, the Chinese team defeated Brazil 3-0, with Gao Xinyu achieving a remarkable comeback victory over world No. 17, Maya, after battling for over three hours. In their second match, the Chinese team faced the defending champions, Germany, who had also defeated Brazil 3-0. This meant that the winner would secure first place in the group. In the first men's singles match, Zhang Zhizhen was reversed by Zverev; in the second women's singles match, Gao Xinyu narrowly defeated Siegemund, helping the Chinese team secure early qualification for the quarter-finals for the second consecutive year after winning the first set 6-1; in the third mixed doubles match, Zhang Zhizhen and Zhang Shuai lost to the Siegemund/Zverev pair. Ultimately, the Chinese team lost 1-2 overall, securing second place in the group, while…

On December 27th, Beijing time, the 2025 United Cup Tennis Mixed Team Tournament kicked off, with the Chinese team, composed of Zhang Zhizhen, Zhang Shuai, Sun Fajing, Gao Xinyu, and Bai Yan, facing their first match against Brazil. Last year, Zheng Qinwen partnered with Zhang Zhizhen to help the Chinese team reach the quarterfinals. This year, the Chinese team was ranked as the 5th seed in the event, grouped with Germany and Brazil. Due to Zheng Qinwen's temporary withdrawal, Gao Xinyu, ranked 175th in the world, stepped in to compete as China's top female singles player. According to the order of play, the women's singles started first, with Gao Xinyu facing off against Maya, who is ranked 17th in the world, showing a clear gap in strength between the two. In the first set, Gao Xinyu was broken by Maya right from the start, but managed to break back in the tenth game to level at 5-5. However, she was broken again in the eleventh game and lost the set 5-7, putting her in a desperate situation. In the second set, Gao Xinyu adjusted her game state, engaging in a competitive exchange with Maya and successfully breaking in the crucial tenth game to win 6-4, dragging the match into a decisive third set. In the final set, Gao Xinyu was broken by Maya in the seventh game, but immediately broke back in the eighth game to level at 5-5 again. At this point, Gao Xinyu's physical energy was greatly depleted, and her movement began to lag behind Maya's, yet she…