On January 20, Beijing time, the second round of the Australian Open began to compete, in a contest in the men's singles field, the 13th seed Schwartzman ushered in the challenge of local wild card player O'Connell. After a fierce battle in three sets, O'Connell, ranked 175th in the world, defeated Schwartzman and reached the third round of a Grand Slam for the first time in his career.
In the first set, Schwartzman took the lead in the 7th set and then took a 5-3 lead. In the 10th set, O'Connell broke Schwartzman's serve to win the set, after which both sides saved their own serves, and the first set went into the seventh set. The two sides continued to compete fiercely in the seventh set, with O'Connell winning 8-6 in the first set to grab seven.
Neither side had a break point in the first eight sets of the second set, and O'Connell scored four consecutive runs in the 9th set to complete the break, and then he saved the 10th game and won the second set 6-4.
In the third set, O'Connell took the lead in the 3rd set and he took a 3-1 lead in the 4th set. In the 8th inning, Schwartzman broke and chased the set to 4-4. In the 9th set, O'Connell broke again and came to win the game 5-4. In the 10th set, O'Connell managed to save serve and won the third set 6-4.
In a three-hour and seven-minute match, world no. 175 O'Connell defeated No. 13 seed Schwartzman 7-6 (6), 6-4, 6-4 to reach the round of 32 of a Grand Slam for the first time in his career. His opponent in the next round will be American Cressy, who eliminated qualifier Mahaci as a finalist.