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.

For Learner Tien, Thursday, January 16, was special after he defeated three-time finalist Daniil Medvedev in the second round of the men's singles at the Australian Open 2025. Coming into the main ...

feeling like this is the biggest match of my life or anything like that. "I think just taking the positives from this match and looking forward to the next one and moving on." Tien's progress to ...