At the U.S. Open tonight, Novak Djovokic’s path to 25 Grand Slam titles begins on Arthur Ashe against 19-year-old American ...

Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990, upsetting a racket-tossing Daniil ...

Novak Djokovic made relatively light work of 19-year-old American Learner Tien at the US Open but was forced to deal with a ...

Learner Tien has become the youngest American man to reach the Australian Open's third round since Pete Sampras in 1990. Tien is a 19-year-old qualifier from California who upset fifth-seeded ...

MELBOURNE, Australia — Learner Tien, a 19-year-old qualifier from California, became the youngest American man to reach the Australian Open’s third round since Pete Sampras in 1990, upsetting a racket ...