It's an up-and-down day for favorites and the husband-and-wife duo of Gaël Monfils and Elina Svitolina wo their singles matches.

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.

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

Coco Gauff led the United States to its second United Cup title with a statement 6-4, 6-4 win over world No. 2 Iga Świątek a week before the start of the Australian Open.

Coco Gauff led the United States to its second United Cup title with a statement 6-4, 6-4 win over world No. 2 Iga Świątek a ... United Cup in 2023 as Taylor Fritz beat Hubert Hurkacz 6-4 ...

World No. 2 Iga Swiatek has been in stunning form in the ongoing Australian Open. She has already bageled her opponents twice, winning her three matches easily in straight sets.

Iga Swiatek demolished Emma Raducanu on Saturday to sweep into the last 16 of the Australian Open as 38-year-old Frenchman Gael Monfils stunned fourth seed Taylor Fritz.

The 2025 Australian Open concludes on Jan. 26 in Melbourne, Australia. Aryna Sabalenka of Belarus and Jannik Sinner of Italy return to defend their respective Women’s and Men’s Singles titles. The tournament also features such tennis stars as Coco Gauff, Frances Tiafoe, Iga Świątek and Novak Djokovic.

Here's how to watch a 2025 Australian Open free live stream online from any country in the world as Sinner and Sabalenka defend their titles in Melbourne.

From the schedule to the seeding and everything else, here's a full breakdown of the 2025 Australian Open — the first Grand Slam of the year.

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