Learner Tien has become the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990.

Daniil Medvedev of Russia reacts during his second round match against Learner Tien of the U.S. at the Australian Open tennis championship ... since an 18-year-old Sampras reached the fourth ...

Sampras won the U.S. Open later that year for the first of his 14 Grand Slam titles, a total that ranks fourth among men in tennis history. This match was the latest significant result for a teen ...

Andre Agassi once drew a comparison between how Pete Sampras and Roger Federer's abilities had evolved over the years. The eight-time Grand Slam champion made the remarks after his devastating ...

But will they do it under pressure? This is what separates the best from the rest. Sampras argues that tennis players always have two opponents – the other player and themselves. “The most ...

Young gun Alex Michelsen has achieved a 35-year American first with an inspired run to book a last-16 date with home hope Alex de Minaur at the Australian Open.

Sampras won the U.S. Open later that year for the first of his 14 Grand Slam titles, a total that ranks fourth among men in tennis history. This match was the latest significant result for a teen ...