MELBOURNE, Australia — Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a ...

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

Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third ...

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, ...

MELBOURNE– Inspired American teenager Learner Tien outlasted three-time Australian Open runner-up Daniil Medvedev to reach ...