Taylor Fritz scorched through to an Australian Open third-round clash against Gael Monfils with another emphatic win on Thursday, dropping just eight games in the tournament so far.

Brazilian teenager Joao Fonseca stunned ninth seed Andrey Rublev in a major Australian Open shock on Tuesday as racquet-smashing 2024 finalist Daniil Medvedev narrowly avoided the same fate.

The final match of the day saw American Learner Tien, playing in his first major outside of the U.S. Open, upset No. 5 seed Daniil Medvedev in a five-set classic, 6-3, 7-6, 6-7, 1-6, 7-6, that ended at 2:54 a.m. local time. Medvedev had reached three of the past four Australian Open finals, but could not fend off a ferocious Tien.

Russian Andrey Rublev, seeded ninth ... had to defeat other Americans to make it through to the second round. Taylor Fritz, the No. 4 seed, defeated his unseeded countryman Jenson Brooksby ...

Russian Andrey Rublev, seeded ninth ... though curiously they all had to defeat other Americans to make it through to the second round. Taylor Fritz, the No. 4 seed, defeated his unseeded countryman Jenson Brooksby 6-2, 6-0, 6-3. Emma Navarro, seeded ...

Russian Andrey Rublev, seeded ninth ... though curiously they all had to defeat other Americans to make it through to the second round. Taylor Fritz, the No. 4 seed, defeated his unseeded countryman Jenson Brooksby 6-2, 6-0, 6-3. Emma Navarro, seeded ...

The 19-year-old American Learner Tien secured the biggest win of his young career in taking down No. 5 Daniil Medvedev

Daniil Medvedev, beaten in the Melbourne final last year by Sinner, faces Learner Tien, 19, of the United States in a later match. Sinner dropped a set for the first time in 14 matches when he lost the opener to Australian wildcard Tristan Schoolkate.

The Irvine native and 19-year-old qualifier, who played one semester at USC, wins a 4-hour, 49-minute thriller that ends at nearly 3 a.m. in Melbourne

There are six American men and five American women in the third round. Tommy Paul, Coco Gauff and Jessica Pegula all play Thursday. No. 17 Frances Tiafoe, a two-time U.S. Open semifinalist, was upset by Hungary’s Fábián Marozsán in five sets in the second round.

In a new Daily Dose of Social Media, we review the fun moments starring ATP and WTA players during the Australian Open. Felix Auger-Aliassime provided a humorous moment as he struggled to take off his shirt during his second-round match,