American teenager Learner Tien produced arguably the biggest shock of the Australian Open so far as he defeated last year’s runner-up Daniil Medvedev in five sets, 6-3, 7-6 (4), 6-7 (8), 1-6, 7-6 (7).

Learner Tien pulled off the biggest victory of his life to headline a parade of 11 Americans moving into the third round of the Australian Open. Tien, a 19-year-old native of Irvine, Calif. who was ...

MELBOURNE, Australia — Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by beating No. 5 seed and 2024 finalist, Daniil Medvedev, in ...

An intriguing clash awaits as American teenager Learner Tien faces Italy's Lorenzo Sonego in the Australian Open fourth round. Tien, ranked 121st, has captivated fans with his tactical brilliance, ...