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 ...

Here’s a recent tennis story, via The Associated Press: BEIJING (AP) — Top-seeded Jannik Sinner won his 11th straight career match against Alex de Minaur and advanced to the final of the China Open, ...

BEIJING -- Jannik Sinner won the China Open by beating American teenager Learner Tien 6-2, 6-2 in Wednesday's final to continue his preparations for the Shanghai Masters. Sinner rebounded from his US ...