On January 2, the Union Cup competition continued, and in the just-concluded match, the No. 2 seed Greece suffered a 1-2 upset defeat to Chile, and the chances of qualifying were slim. The defending champions, the United States, lost 2-1 to Australia.
The United Cup is divided into 6 groups of 3 teams each, with the top team in the group advancing directly to the quarterfinals, and the two groups with the best record advancing to the quarterfinals.
Second seeds Greece are led by Tsitsipas and Sakkari and face Chile, the weakest team in the group. The Chilean team is led by Jarry and Sehgal, and there is a big gap between the strength and the Greek team.
In the first women's singles match, Sakkari played against Sehgal. There was a huge disparity in quality between the two sides, and Sakkari only dropped one game to easily defeat his opponent 6-0, 6-1 to get the Greek team off to a flying start.
In the second men's singles match, Greece hid Tsitsipas and Sacraridis played. It was a key game of the game and Chile sent Jarry. The match was played in three sets, with Jarry narrowly winning 6-3, 3-6, 7-5 and winning 2-1 to equalise for Chile.
In the third mixed doubles match, Tsitsipas/Sakkari took on Segal/Bella. The first set went to a tie-break, with Tsitsipas/Sakkari winning 7-5. In the second set, Segal/Vela performed well and pulled one back 6-3. In the tiebreaker, Segal/Vela opened the score after 2-2, and finally won 10-6, winning 2-1 and sealing the victory for Chile.
The team led by the two top players, Tsitsipas and Sakkari, lost to the Chilean team in an upset, which was very unexpected. After losing this game, Greece's hopes of qualifying are very slim.
In the other highlight, defending champions USA underperformed as they suffered a 2-1 upset defeat to Australia, resulting in a 1-1 defeat for all three teams in the group. In the end, Australia ranked first, the United States ranked second, and the United Kingdom ranked third. Australia advanced, and the United States team was upset.