Young gun Alex Michelsen has achieved a 35-year American first with an inspired run to the Australian Open's last 16 at Melbourne Park.

Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990

MELBOURNE - Teenage qualifier Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years as the future of American tennis lit up Melbourne Park on Saturday. Read more at straitstimes.

U.S. 19-year old Learner Tien defeated No. 5 Daniil Medvedev in a fifth set tiebreaker in the Australian Open, making history in Melboune.

Learner Tien achieved an unprecedented feat in the past 20 years following his stunning victory over Daniil Medvedev in the second round of the Australian Open.

American Learner Tien upset No. 5 seeded Daniil Medvedev 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (10-7) at the 2025 Australian Open, in a 4-hour, 49-minute match that began Thursday night and ended early Frid

Learner Tien, a 19-year-old, became the youngest American man since Pete Sampras to reach the Australian Open third round, beating Daniil Medvedev. The marathon match lasted nearly five hours. Tien's audacity and skill led to an unexpected victory against a seasoned player,

The outcome was eyebrow-raising because of the wide gulf in experience and accomplishments between the two players at Margaret Court Arena.

Learner Tien beats Daniil Medvedev, is youngest American man in Australian Open’s 3rd round since Pete Sampras in 1990

Then, Rafael Nadal wrote the history of men's tennis, winning his 2nd AO title and his 21st Slam, while Ashleigh Barty won a Slam for the Australian, in Melbourne, after years, in 2022. Then it was the turn of Nole and Sinner, in the last two years, of Sabalenka both in 2023 and 2024.

Learner Tien, a 19-year-old American qualifier, caused a major upset at the Australian Open by defeating Daniil Medvedev. After a grueling five-set match, Tien enjoyed a celebratory pizza. This victory marks Tien as the youngest American to reach the third round since Pete Sampras in 1990,