On January 20, Beijing time, the second round of the Australian Open men's singles competition began, and the No. 4 seed Tsitsipas played, and his opponent was the 88th-ranked Argentine Baez in the world. The two sides fought fiercely in four sets in this match, with Tsitsipas narrowly beating his opponents 3-1 and advancing to the round of 32 at the Australian Open for four consecutive years.
In the first set, Baez took the lead in the 9th set and Tsitsipas completed the break in the 10th set, after which the two saved their own serves, and the first set went into the seventh game. Tsitsipas led the way in seven sets, winning the first set seven 7-1.
In the second set, the competition between the two sides was still fierce, and in the first 12 sets of the game, both sides saved the set, and the game once again went into the seventh game. In the seventh set, Baas scored four consecutive runs at 3-5 to win the second set at 7-5.
In the third set, Tsitsipas broke two consecutive serves and took a 5-0 lead in the next five sets. In the 6th set, Baas deflected two end-of-set serves, and then he broke in the 7th set to cut the set until 2-5. Tsitsipas did not waste a chance in the second set of the 9th set, winning the third set 6-3 after a successful save.
In the fourth set, Tsitsipas took the lead in the third set to complete the break before he took a 3-1 lead. In the 10th set, Tsitsipas won the set, and he managed to save the game, winning the fourth set 6-4.
In a four-set battle that took 3 hours and 22 minutes, the No. 4 seed Tsitsipas defeated Argentina's Baes 7-6 (1)/ 6-7 (5)/ 6-3, 6-4 to reach the australian open men's singles round of 32. Tsitsipas will be the winner of the next round between Dimitrov and Parret.