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…