Of the three upsets, Tien's win over Medvedev was the biggest given the latter's accomplishments — a three-time Australian ...

MELBOURNE, Australia (AP) — 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 ...

We're into the second round of the Australian Open. Multiple grand slam champions will be in action on Day 5, including Jannik Sinner, Daniil Medvedev, Iga Swiatek, Elena Rybakina and Emma Raducanu.