On January 18, Beijing time, the first round of the Australian Open continued. In one of the first matches at Rodrawall Stadium, the tournament's No. 3 seed Muguruza played against 78th-ranked Brel in the world. After two sets of competition, Muguruza fluctuated at the end of the second set, but she still swept her opponent out 2-0 to win the Australian Open.
In the first four sets of the match, both sides saved serves, muguruza took the lead in the opponent's serve in the fifth set, and In the sixth set, Brell quickly completed the break, chasing the set to 3-3. In the 7th set, Muguruza scored four consecutive runs to break again, and in the 8th set she managed to maintain a 5-3 lead. In the 9th set, Muguruza scored four consecutive runs in the opponent's serve to win the first set 6-3.
In the second set, Muguruza missed three break point opportunities, and in the fourth set Muguruza broke through the opponent's serve to take a 3-1 lead. In the 7th inning, Muguruza defused two break points to save serve and take a 5-2 lead. In the 8th set, Brell defused three end-of-match points to hold a tenacious serve, and in the 9th set, Muguruza's serve was broken, and Brell chased it to 4-5. In the 10th set, Muguruza broke in a set that his opponent had to defend and won the second set 6-4.
In the end, in a match that took 1 hour and 28 minutes, the No. 3 seed Muguruza defeated the French teenager Brel 6-3, 6-4 to reach the second round of the Australian Open women's singles. It was the 10th consecutive year of Muguruzza's career passing the first round of the Australian Open, and the next round Muguruzza was played by another Frenchman, Koné, who eliminated qualifier Tomowa.