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

Andre Agassi once drew a comparison between how Pete Sampras and Roger Federer's abilities had evolved over the years.

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

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

When tennis legend Pete Sampras stepped out to get coffee earlier this month, it was far more than just an errand run for the 14-time Grand Slam champion. The routine act represented an extremely ...

Learner Tien, a 19-year-old, became the youngest American man since Pete Sampras to reach the Australian Open third round, beating Daniil Medvedev. The marathon match lasted nearly five hours. Tien's ...

Learner Tien celebrated his shock Australian Open victory over three-times runner-up Daniil Medvedev in true teenage fashion, ...

The outcome was eyebrow-raising because of the wide gulf in experience and accomplishments between the two players at ...