On January 25, Beijing time, the Australian Open women's singles quarterfinals began to compete, the top seed Barty and the 21st seed Pegula met. After two sets of competition, Barty swept his opponent out 2-0 and returned to the australian open final four after two years.
Barty broke from the start of the first set and then saved her 2-0 lead. In the 7th set, Barty broke the opponent's serve again, and came to win the set 5-2. In the 8th set, Batty Love game saved the game and won the first set 6-2.
In the second set, Barty cashed in on the fourth break point of the opponent's first set, and in the second set, Barty took a 2-0 lead after saving the serve. Barty broke again in the 3rd set and she took a 4-0 lead after holding the serve in the 4th set. In the fifth inning, Pegura lost five consecutive runs at 40-0 and Barty broke again to take a 5-0 lead. In the 6th inning, Barty easily saved the set and won the second set 6-0.
In the end, in a match that took 1 hour and 3 minutes, the top seed Barty swept the 21st seed Pegula 6-2, 6-0 to reach the final four of the Australian Open. It was Barty's fourth career time in a Grand Slam to reach the final four, and her second final four at the Australian Open. In the next semi-final match, Barty will face The American Keith, who eliminated Klechkova to advance.