On January 20, Beijing time, the Australian Open entered the 4th matchday competition. On this matchday, China Jinhua continued to advance in singles and doubles, with Zhang Shuai and Wang Xinyu playing in the second round of the singles match, Han Xinyun partnering Adam Sack in the women's doubles, and Zheng Saisai and Wang Xinyu temporarily choosing to withdraw before the match. 3 games achieved 2 wins and 1 loss, overall 3 games have highlights.

The first to appear is Xiaohua Wang Xinyu, whose opponent is Sabalenka, who is ranked No. 2 in the world. In the first set, Wang Xinyu took advantage of her opponent's mistakes to win the next set 6-1 easily. In the second set, Sabalenka began to regain his form, and in the decisive set, Sabalenka continued to work hard and won the game in a reversal. Although Wang Xinyu did not have the opportunity to advance, she was able to grab a set from the world's second hand, which is invaluable for her future growth and accumulation of experience.
Zhang Shuai faced the 12th seed Laibakina in the second round, facing a powerful opponent, Zhang Shuai completed a key break at the end of the first set, winning the first set 6-4. In the second set, Zhang Shuai completed the break at the beginning of the game, and then Laibakina chose to retire due to injury, and Zhang Shuai successfully eliminated his opponent to advance to the third round. This is Zhang Shuai's second grand slam in the third round after 19 months since the 2020 French Open.
In the doubles match, Han Xinyun played against Adam Sack, who played locally, and the two opponents were a combination of Brungel and Maria. After three sets of competition, Han Xinyun and Adam Sark eliminated their opponents 2-1. Han Xinyun won a Grand Slam doubles match for the second time in 2 years, which was the eighth Grand Slam doubles match of her career. In the next round, Han Xinyun will face the combination of top seeds Klechkova and Sinyakova.
After the first four match days, this year's Australian Open also has Zhang Shuai and Wang Qiang in the singles table, zhang Shuai and Wang Qiang, in the doubles xu yipan / Yang Zhaoxuan, Zhang Shuai and Han Xinyun have passed the first round of matches, in addition to the mixed doubles match, Zhang Shuai will partner Pierce as the No. 2 seed.