On January 20th, Beijing time, the fourth round of the 2025 Australian Open women's singles witnessed an incredible match. No. 9 seed Kasatkina saved three match points in the second set, tenaciously dragging the game into a decisive set. However, in the last game of the decisive set, which was also the last game of the entire match, Kasatkina suffered a fatal break, just as it seemed the match would enter a tie-break in the final set, it abruptly ended with No. 8 seed Navarro securing victory in the last game! In the women's singles 4/4 zone, No. 2 seed Swiatek is the top player, while the top 8 seeds in the same zone include American player Navarro. In the previous round, Navarro fought hard for three sets, winning 2-1 against three-time Grand Slam finalist Jabeur. In this round's 16 to 8 competition, Navarro faced Russian star Kasatkina, a strong matchup between the No. 8 and No. 9 seeds. It's worth noting that both players had previously eliminated Chinese players on their way to the quarterfinals, with Navarro defeating Wang Xiyu 2-1 in the second round, and Kasatkina also eliminating Wang Yafan 2-0 in the second round. In the first set, both players engaged in a battle of breaks, with Navarro taking the lead by breaking serve one more time, winning the set 6-4. In the second set, Kasatkina demonstrated her tenacity, saving a total of three match points and winning the set 7-5 to level the score at 1-1. In the decisive set, in the last service game of…

In the final day of the first round of the 2025 Australian Open women's singles, with Polini, Rybakina, Navarro, and Kasatkina all advancing, the top ten seeded players have all progressed to the second round without any upsets. The last of the top ten seeds to appear in the first round was No. 4 seed Polini, facing Weisja, who had qualified for the main draw of a Grand Slam for the first time. Ultimately, Polini played normally, easily eliminating Weisja with scores of 6-0, 6-4, and advancing to the next round. In addition to Polini, other top ten seeds appearing today include Rybakina, Navarro, and Kasatkina. Among them, No. 6 seed Rybakina easily swept aside the 16-year-old local wildcard Jones with scores of 6-1, 6-1; No. 8 seed Navarro faced Sterns, ranked 46th in the world, narrowly avoiding an early exit after losing the first set 6-7, then turning things around with scores of 7-6, 7-5 in the following two sets, winning very toughly; No. 9 seed Kasatkina easily swept Tomova with scores of 6-1, 6-3. Performances of other top ten seeds in the previous two match days:‌ 1st seed Sabalenka: 6-3, 6-2 eliminated Stephens 2nd seed Swiatek: 6-3, 6-4 eliminated Siniakova 3rd seed Gauff: 6-3, 6-3 eliminated Kenning 5th seed Zheng Qinwen: 7-6, 6-1 eliminated Todoni 7th seed Pegula: 6-3, 6-0 eliminated Jont 10th seed Collins: 7-6, 6-3 eliminated Snigur Judging from the above scores, Sabalenka, Swiatek, Gauff, Pegula, Rybakina, Polini, and Kasatkina won relatively easily, while Zheng Qinwen, Collins, and Navarro all played tiebreakers. As the defending champion,…