Daniil Medvedev earns code violation for racket abuse before rallying past wild card entrant; Taylor Fritz carries U.S. banner forward.

Learner Tien pulled off a massive upset against Daniil Medvedev at the Australian Open. So, who is Tien, the 19-year-old out of California?

American teen Learner Tien pulled off the biggest upset so far at the 2025 Australian Open, ousting Russian Daniil Medvedev -- the No. 5 player in the world -- in a 4-hour, 49-minute thriller at Margaret Court Arena.

Last year's runner-up Daniil Medvedev smashed his racquet and avoided a huge shock at the Australian Open on Tuesday before joining a rampant Taylor Fritz and veteran Gael Monfils in

No. 5 Daniil Medvedev, 6-3, 7-6 (4), 6-7 (8), 1-6 ... Iva Jovic, 6-0, 6-3 No. 8 Emma Navarro def. Wang Xiyu, 6-3, 3-6, 6-4 No. 9 Daria Kasatkina def. Wang Yafan, 6-2, 6-0 No. 10 Danielle Collins ...

When they resumed, Medvedev broke and served for the victory at 6-5 ... So now I just focus on tennis.” Emma Navarro, a U.S. Open semifinalist last year and seeded in the top eight for the first time at a major, was in trouble after two service breaks ...

Jasmine Paolini and Elena Rybakina, seeded fourth and sixth respectively both sailed through their Round 1 matches. Paolini defeated Chinese qualifier Sijia Wei 6-0, 6-4, while 2022 Wimbledon champ Rybakina took care of 17-year-old Emerson Jones 6-1, 6-1 in just 53 minutes. Rybakina will face yet another 17-year-old in Round 2, taking on Jovic.

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.

14 (UPI) --Daniil Medvedev ripped 24 aces and converted ... No. 4 Jasmine Paolini of Italy, No. 7 Elena Rybakina of Kazakhstan, No. 8 Emma Navarro of the United States, No. 10 Daria Kasatkina ...

When they resumed, Medvedev broke and served for the victory ... So now I just focus on tennis.” Emma Navarro, a U.S. Open semifinalist last year and seeded in the top eight for the first ...

MELBOURNE, Australia — Australian Open women’s champion Madison Keys returned to her career-best ranking on Monday and joins three other American women in the WTA top 10, while men’s champion Jannik Sinner maintained his significant lead atop the ATP list.

The first Grand Slam of 2025 is done, and we learned a few things along the way. One is that Jannik Sinner is far and above the rest of the players on the ATP tour. OK, maybe we already knew that, but he re-enforced the thought.