Rising American star Alex Michelsen has pulled off another surprise victory to reach the fourth round of the Australian Open.

American qualifier Learner Tien became the youngest man to reach the Australian Open fourth round in 20 years as he beat an ...

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

The Irvine native and 19-year-old qualifier, who played one semester at USC, wins a 4-hour, 49-minute thriller that ends at ...

Learner Tien, a 19-year-old American qualifier, caused a major upset at the Australian Open by defeating Daniil Medvedev. After a grueling five-set match, Tien enjoyed a celebratory pizza. This ...

Learner Tien achieved an unprecedented feat in the past 20 years following his stunning victory over Daniil Medvedev in the ...

American qualifier Learner Tien shocked the tennis world on Thursday when he upset last year's Australian Open runner-up Daniil Medvedev in a nearly five-hour, five-set match in the second round.