The 2022 Australian Open entered the eighth matchday competition, China's Jinhua "only seedling" Zhang Shuai continued to continue the excellent state of the mixed doubles match, partnering with the local player Pierce in the second round of mixed doubles to defeat Pella /Kurcoff in two straight sets to defeat Pella/Kurcoff, and strongly advanced to the Australian Open mixed doubles quarterfinals, so that there are still Chinese players on the Australian Open, as the No. 2 seed in this Australian Open mixed doubles match, Zhang Shuai /Pierce can go further. In the fourth round of the women's singles, the 27th seed Collins won two consecutive sets to defeat the 19th seed Mertens in a 2-1 reversal in the first set, reaching the quarterfinals of a Grand Slam again after many years. The 14th seed Halep was in a big ups and downs in the match against the non-seeded player and France's 32-year-old veteran Coney, although he lost one set first and immediately equalized, but in the decider, Halep was not in good shape, and finally lost the third set 3:6, the total score was 1:2 to Konai, missed the Australian Open women's singles quarterfinals, and Kone reached the quarterfinals of grand slam women's singles for the first time in his career.
After China's Jinhua was wiped out in the women's singles and women's doubles matches, all hopes were pinned on Zhang Shuai's mixed doubles competition, and Zhang Shuai and Pierce, who were in three positions at the Australian Open, easily advanced in the first round of mixed doubles, and they competed with Pella/Kurkhov for the quarterfinals. At the beginning of the first set, Zhang Shuai/Pierce broke the belt to take a 2:0 lead, and in the subsequent matches, both sides successfully saved their own serves, and Zhang Shuai/Pierce led 4:2 in the first six sets. In the seventh game, Zhang Shuai/Pierce was broken by the opponent, the two sides fought in the first eight sets to a 4:4 draw, the score came to 5:5 after their respective saves, Zhang Shuai /Pierce then took the lead and then broke the opponent's non-guaranteed serve, so that Zhang Shuai/Pierce won the first set 7:5. In the second set, Zhang Shuai/Pierce was full of firepower, as soon as they came up, they broke the opponent's serve twice to take a 4:0 lead, in the seventh game Zhang Shuai/Pierce was broken by the opponent in their own service game, Pella/Kurchov stubbornly chased the score to 3:5, and in the ninth game Zhang Shuai/Pierce scored four consecutive points in their own service game to end the battle, so that Zhang Shuai/Pierce won 2:0 to advance to the quarterfinals of the Australian Open mixed doubles.
The women's singles field continued to be unpopular, with the 14th seed Halep facing the 32-year-old French veteran Coney, who was in good shape this time, and she defeated two seeded players in the first two rounds. The first set was a fierce match between the two sides, both seized the opportunity to break the opponent's serve several times, the first eight sets were tied 4:4, and halep, who served again in the tenth set, lost the first set 4:6 after handing over the set again. In the second set, Halep was the first to be broken by Corne to trail 1:3, and then Halep let go of a crazy counterattack, and she defeated Cone 6:3 in the next five consecutive sets to tie the total score to 1:1. The two sides of the decider game are still difficult to solve, the first six sets of the two sides fought a 3:3 draw, the seventh game Konei successfully broke Halep's serve after taking the lead, Kone successfully saved the serve to take a 5:3 lead, Halep failed to break conecord after the difficult save, so That Konei won the third set 6:4, the total score of 2:1 upset victory over the opponent, the first time to advance to the quarterfinals of the Grand Slam.
No. 27 seed Collins against the 19th seed Mertens, the first set of collins into the state quickly, she broke the opponent's serve after successfully saved the 3:0 lead, the trailing Mertens then launched a crazy counterattack, she broke the opponent's serve in a row after five consecutive sets to win 5:3, both sides saved after Meltens later came up to take the lead 6:4 ahead of the city. In the second set, Collins started well again, she broke the belt to take a 3-0 lead, and then in the next four sets both sides saved their own serves, Collins led 5:3, in the ninth game Mertens successfully broke in the unbreakable game to close the score, and then in his own serve Mertens lost again, Collins pulled back a city 6:4. In the third set, Mertens successfully broke in Collins' second serve to take a 2:1 lead, and then she failed to seize the opportunity to be broken by Collins, and neither side was able to take advantage of the opponent's serve since then, the first eight sets of the two sides fought 4:4, the ninth game Collins successfully saved the championship point, Mertens lost in his own non-guaranteed serve, and finally Collins won 6:4, and the aggregate score was 2:1 to defeat Mertens, who ranked higher than himself, For the first time in her career, she reached the quarterfinals of grand slam women's singles.