The Australian Open has entered its ninth day of competition, with the matches gradually reaching their climax. Currently, only Zhang Shuai remains from the Chinese contingent, with both the women's doubles and mixed doubles teams advancing to the quarterfinals. The women's doubles match has already concluded with a disappointing exit, leaving only the mixed doubles competition. In the women's singles event, there have been several upsets. The sixth-seeded player, Elena Rybakina, lost 1-2 to American player Madison Keys. It was unfortunate that in the first and third sets, Rybakina had the advantage of serving first but failed to capitalize on it. Keys played exceptionally well in the first and third sets, leaving Rybakina with little room for a comeback. Rybakina was the first of the top four players to drop out due to her poor health, which has led to frequent withdrawals from tournaments. Her level of play has been inconsistent, capable of defeating anyone when at her best but struggling against even lower-ranked opponents when not. Just one day after Rybakina's exit from the Australian Open, Goran Ivanisevic announced that he would no longer serve as her coach. He stated, "After the end of the trial period at the Australian Open, I wish Elena and her team all the best for the future." Ivanisevic had previously revealed that his goal was to help Rybakina make more use of her strong serve and baseline game to come to the net more often and finish points. Although the results at the Australian Open were not ideal, there were moments of brilliance.…