Learner Tien beats Daniil Medvedev in stunning Australian Open upset close to 3 a.m. in Melbourne
Learner Tien, a 19-year-old qualifier from California, notched the biggest upset of the 2025 Australian Open to date by ...
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Teenager Learner Tien schools Daniil Medvedev in late-night Australian Open upset
The 19-year-old from Irvine, California nearly lost a two-set lead from match point up but held off a late surge from a former world No. 1 to win the biggest match of his career.